Famous tourist attractions at night time, a close-up of the world's longest flagpole in the city of Jeddah on Flag Day, March 11, a mock-up of the official logo illuminated on Saudi National Day, September 23, in King Abdullah Square, tourist places and areas in the Kingdom of Saudi Arabia
Building a developed civilized future in Dubai, tall commercial buildings and facilities, the concept of developing and improving infrastructure, an imaginary view of urban progress and growth, modern architectural designs and arts of towers and skyscrapers in the United Arab Emirates
Highlighting loyalty and love for the country, commemoration of the Saudi National Day, September 23, Flag Day, March 11, a close-up of a smiling Saudi Gulf Arab woman wearing the thobe and southern shayla on National Day, holding the Kingdom’s flag in her hand with proud gestures, a background of skyscrapers illuminated at night in Saudi Arabia
Portrait of a Saudi Arabian Gulf woman, wearing the Gulf abaya with the Saudi Foundation Day logo, the visual identity of the Saudi Foundation Day, the Fat Day logo, the Foundation Day - Old Saudi Arabia, the anniversary of the founding of the Saudi state
Pride and pride in Saudi identity, national occasions and holidays, a close-up picture from the back of a Saudi Gulf Arab man wearing an aqal and a traditional bisht, watching metal lanterns, the anniversary of the founding of the first Saudi state, February 22, the love of the ancient heritage passed down from the ancestors, the Day of Dina 1727 AD.
Modern decorations and designs, drawings and designs on one of the walls inside a luxurious palace, a hanging artistic painting of Burj Khalifa and the famous landmarks of Dubai.
Giant industrial engineering and equipment, oil and gas refinery in industrial area, steel pipelines and cables, petrochemical industries and projects, large industrial complex with tall smoke chimneys in Saudi Arabia, huge and large warehouses
An angle from the back of a Saudi Arabian Gulf man holding the Saudi flag, the historical beauty of Madin Saleh in Al-Ula Governorate, Saudi Arabia, ancient historical and archaeological landmarks in the old town of Al-Ula, the rock formations, the identi
Conrad luxury hotels and resorts adjacent to the Grand Mosque in the Kingdom of Saudi Arabia, the gathering of tourists and pilgrims on Ibrahim Al-Khalil Street at night, the buildings of the Jabal Omar Real Estate Development Company in Mecca, the advanced architectural art of towers and skyscrapers
Lifestyle in the country, growth, development and urban progress, population congestion in the capital, paved roads and streets in the Kingdom of Saudi Arabia, an aerial photo of buildings and residential neighborhoods in the city of Riyadh during the day, interest in planting trees, lawns and green plants in cities.
Emirates Palace Hotel in Abu Dhabi in the United Arab Emirates at night, interest in planting green palm trees, modern architectural art for towers and hotels, famous landmarks and tourist places
Famous natural landmarks, a cruise ship and a yellow balloon in the middle of the sea, places that attract tourists, the architectural art of the towers and skyscrapers overlooking the sea in the city of Abu Dhabi, the growth and urban development of buildings and facilities in the Emirates.
Highlighting the role of women in architectural development, women’s professions and jobs, commemorating National Day September 23, a close-up of a veiled Saudi Arabian Gulf engineer wearing a helmet and protection vest, holding the Kingdom’s flag, looking at it with love, Flag Day March 11, background of the King Abdullah Financial Center in broad daylight
Saudi Vision 2030, architectural art of towers and skyscrapers, building a civilized and advanced future, famous tourist places and landmarks, a future imaginary view of progress and urban growth in the Kingdom of Saudi Arabia
Architectural engineering art and advanced design of towers and skyscrapers, famous landmarks and tourist places in the Kingdom of Saudi Arabia, attracting foreign tourists, modern urban growth and progress, Saudi Vision 2030, view of the city of Riyadh illuminated at night
Exchanging ideas and opinions to develop engineering work, participation and discussions about the work project, interest in building good basics for buildings, following up on the progress of construction projects, two Saudi Gulf Arab engineers wearing helmets and protection vests at the project site
Burj Khalifa in Dubai, United Arab Emirates, Architectural Art in the Emirates, Famous Emirates Landmarks, Towers and Skyscrapers, Tourism in the Emirates
A Saudi Arab Gulf engineer carrying the Kingdom’s flag, solar power stations, the future of renewable energy, solar panels, Saudi National Day 92, Saudi Vision 2030
Referring to construction drawings and plans, a close-up of two Saudi Gulf Arab engineers holding the project plan, standing at the work site, supervising and checking the construction plan, paying attention to the good basics of the building.
A water sower walks around the old neighborhood to water people from the well, the concept of Bedouin folk life, an elderly Saudi Arabian Gulf man wearing traditional clothing and carrying a popular leather bucket on his back and looking at the camera, Bedina Day 1727 AD, the anniversary of the founding of the first Saudi state, February 22
Architectural engineering art of ancient mud buildings in the village of Ushaiqar in Al-Shaqra Governorate, a wooden door with an ancient Arabic architectural design, historical ancient houses in the city of Riyadh, famous heritage tourist places in Saudi
Adopting modern techniques and technology in engineering, achieving the industrial revolution, quality production and manufacturing, a close-up picture of a Saudi Arabian Gulf engineer wearing a safety vest and helmet, monitoring the progress of the factory’s work using a tablet, Saudi engineering professions and jobs
Future imaginary view of urban progress and growth, improvement and development of infrastructure, high-rise buildings and commercial facilities, building a developed civilized future in Dubai, modern architectural designs and arts, skyscrapers and towers in the United Arab Emirates
Popular costumes on national holidays and events, highlighting the beauty of the eyes, celebrating the anniversary of the Saudi National Day, September 23, a close-up photo of a Saudi Gulf Arab woman wearing a shaila and a central region dress and looking at the camera, the background of the towers and illuminated skyscrapers at night in Riyadh
Feeling excited while celebrating Saudi National Day, September 23, Portrait of a Saudi Gulf Arab man wearing a shemagh and traditional dress, holding the Kingdom’s flag in his hand, gestures of pleasure on Flag Day, March 11, full-length body portrait, gray background
A contractor and a work supervisor wearing a work helmet and jacket, two Saudi Arabian Gulf states discussing the building plan paper, supervising and following up on work, following up on the project strategy, architectural and construction designs
Performing tasks and office work inside the company's headquarters, portrait of an Arab Gulf Emirati woman wearing an abaya and Emirati hijab sitting behind a desk and working on a laptop, studying projects and reviewing annual reports, supervising plans and analyzing work performance, remote work session, white background
Saudi Vision 2030, the concept of architectural engineering development in the city of Riyadh, tall buildings, towers and commercial facilities illuminated at night, modern engineering designs and arts for skyscrapers in Saudi Arabia, an imaginary future view of progress and urban growth
Famous places and landmarks, image of Egyptian style Wafi Mall building in Dubai, UAE, famous shopping destinations, modern architecture, distinctive modern designs, urban growth and progress
A picture from the bottom of the King Abdullah Financial District (KAFD) in Riyadh, Saudi Arabia, towers and skyscrapers, famous Riyadh landmarks, architecture in Saudi Arabia, tourism in Saudi Arabia
Feelings of belonging to the homeland, national occasions and holidays in the Kingdom, Saudi Flag Day on March 11, commemoration of the National Day on September 23, portrait of a Saudi Gulf Arab young man wearing the traditional thobe and shemagh, holding the Kingdom’s flag with pride, full body portrait, black background
Office with glass facade overlooking the famous towers and skyscrapers, a work room equipped with modern technical tools and devices, modern contemporary decor for Saudi company offices, architectural engineering art of high-rise buildings in Riyadh, office rooms with elegant interior designs and decorations
Close-up of modern architectural details of skyscrapers in Riyadh, reflecting the rapid urban development in the city, famous landmarks and places, towers with glass facades in Saudi Arabia
The growth and urban development of towers and skyscrapers in the United Arab Emirates, the famous tourist attractions of the Emirate of Dubai, the waterfront on the coast of the Arabian Gulf, the movement of yachts and ships in the Dubai Marina Sea during the day, the architectural art of buildings and facilities overlooking the harbor
Luxury commercial facilities in the daytime, urban growth and progress, modern-style architectural art for towers and skyscrapers in the Kingdom of Saudi Arabia, a modern tower with huge glass facades, interest in growing green plants
The urban development and growth of buildings and facilities with the help of the people of the country, loyalty and love for the country, a picture from the back of a Saudi Gulf Arab engineer wearing a protective jacket and helmet, immersing the body in the light of science, Flag Day, March 11, celebrating the anniversary of the Saudi National Day, September 23, and National Day.
Gestures of pride in the urban renaissance of the Kingdom, the towers and urban achievements in Riyadh that were achieved thanks to the engineers of the homeland, Saudi national development engineering projects, a smiling Saudi Arab Gulf engineer wearing
Wearing traditional folk costumes, enjoying the outdoors, standing in front of skyscrapers in Riyadh, a close-up image of a Saudi Arabian Gulf man and woman having fun, background of towers and economic buildings, famous places and tourist attractions in
Attracting and attracting tourists from all over the world, the tourist destination in the United Arab Emirates, an imaginary future view of Burj Khalifa in Dubai during the day, improving and developing the infrastructure, urban growth and development on the coast of the Arabian Gulf, the architectural art of towers and skyscrapers
Engineering professions and jobs, work discussions and dialogues, working on a construction site, silhouette of a group of Saudi Arabian Gulf architects discussing a construction plan, wearing a helmet and work safety vest, checking and supervising work, Salolette
Wearing protective clothing to protect against scattered sparks, a group of blacksmith workers welding iron, raw metal factories, employees and engineers in the Kingdom of Saudi Arabia
Towers and skyscrapers, the water tower in the city of Al-Khobar, the marine nature in Dammam, famous tourist places and landmarks, areas to attract and attract tourists from abroad, distinguished architectural arts in the Kingdom of Saudi Arabia.
Developing engineering projects in Saudi Arabia, women working in the engineering sector, architectural designs and checking plans, portrait of a veiled Saudi Arabian Gulf engineer wearing a protective vest holding a reconstruction plan, women’s professions and jobs, black background, sensitive content, sensitive use
Ancient historical monuments in ancient villages, famous tourist attractions, heritage and civilization in the archaeological village of Ushaiqar in the Kingdom of Saudi Arabia, houses and facilities built in the ancient mud style in the Shaqra Governorate in the city of Riyadh.
Using a tablet device in engineering, the ancient art of architecture and the basics of building mud houses, a picture from the back of two Saudi Gulf Arab engineers wearing a jacket and a protective helmet on the ruins of Salwa Palace in Al-Bujairi, Diriyah, on the Day of Dina 1727 AD, the anniversary of the founding of the first Saudi state, February 22.
Cooperation of engineers and workers in planning structures, constructing buildings and large projects, construction and contracting works, establishing foundations, residential facilities and factories, architectural and cultural development.
Architectural engineering art in modern style construction, famous tourist attractions in the Kingdom of Saudi Arabia, the concept of development and urban progress, Saudi Vision 2030, an imaginary view of illuminated towers and skyscrapers at night
Architectural engineering art of building forts and castles in the old style, tourist attractions and attractions, heritage stone buildings, an old castle in the middle of the sands in the Kingdom of Saudi Arabia, a historical defensive fort, tourist cities and landmarks, a view of the sky full of clouds at sunset
Leading real estate developer in Dubai, Emaar Properties building, famous places and landmarks in UAE, modern architectural art of towers, skyscrapers and commercial facilities, interest in planting green natural trees
Popular heritage tourist places, a Saudi Arabian Gulf man standing behind a wooden window closed with an iron grille, the historic city in the Kingdom of Saudi Arabia, ancient Arab architectural art, historic buildings and houses in the historic town of Jeddah, historical landmarks in the Al-Balad district
Close-up of an Emirati Gulf Arab man, in traditional Emirati dress, blurry background of a background tower, United Arab Emirates, a background tower behind, tourism in the Emirates, famous Dubai landmarks
Interest in planting trees and green plants, archaeological entertainment places during the day, mud structures built in the old style, authentic Saudi Arabian civilization, enjoying the famous tourist attractions, Al-Bujairi Overlook and Park in the Diriyah neighborhood in the city of Riyadh.
Saudi Founding Day, Anniversary of the Founding of the Saudi State, Old Diriyah in Riyadh, Visual Identity of Saudi Founding Day, Obese Day Logo, Founding Day - Old Saudi Arabia, Historical Archaeological Buildings in Saudi Arabia, Corner from the back of
Engineering and industrial concept, quality control of iron rod production, use of modern and advanced devices and technologies in engineering fields, close-up image from the back of an Arab Gulf Saudi industrial engineer in an iron factory wearing a work safety helmet
Shopping malls and luxury stores, tourism in the United Arab Emirates, modern architectural art of malls and skyscrapers, Emaar Properties, Dubai Marina Mall building in the Emirate of Dubai, places for recreational family activities
Interest in planting trees in cultural tourism sites in the Kingdom of Saudi Arabia, the King Abdulaziz Historical Center, the Saudi National Museum in the city of Riyadh, architectural engineering for museums and mud structures built in the old style, popular traditional landmarks in the capital.
Achieving the industrial revolution, Saudi laboratories and factories, working in the industrial engineering sector, a close-up photo of a Saudi Gulf Arab engineer wearing a jacket and a protective helmet standing with crossed hands at his workplace, youth engineering professions and works, standing confidently and looking at the camera
Verifying the application of the correct construction conditions, pointing and looking at something, two Saudi and Gulf Arab engineers wearing jackets and protection helmets standing at the work site, paying attention to the good foundations of the building, following up on the progress of the project’s organizational plan, discussion, dialogue and exchange of ideas.
Improving and developing infrastructure, an imaginative future view, urban progress and growth, towers and skyscrapers, modern architectural arts and designs, building an advanced civilized future, high-rise commercial facilities and buildings.
Plant inspection, two Saudi Arabian Gulf agricultural engineers in an agricultural field, wearing a helmet and protection jacket, business agreements and deals, agricultural lands and fields, soil testing, using a mobile phone (tablet)
A model of the Earth and a group of planets with constellations and skyscrapers, development and urban renaissance in the Kingdom of Saudi Arabia, a Saudi future vision 2030, a Saudi Gulf Arab man wearing the traditional dress and shemagh looking at something, the concept of global communication and the connection of network lines
Looking at the camera with gestures of happiness, visiting the famous places and tourist attractions in the Al-Balad neighborhood, family entertainment activities, a smiling Saudi Gulf Arab family wandering among the popular neighborhoods and ancient buil
Saudi Arabian Gulf Consulting Engineer meeting with the professional contractor, wearing protective suit and safety helmet, discussing construction blueprint paper, building strategic plans, working on construction site
Managing laboratory machines and equipment and controlling them using technology and technology, the development and growth of the engineering sector in the Kingdom, a close-up photo of a Saudi Arabian Gulf engineer wearing a hijab and a yellow safety vest and wearing a white helmet holding a tablet in her hand, following up on business progress via the Internet
An imaginative future view of urban progress and growth for high-rise buildings and commercial facilities in the United Arab Emirates, future vision 2031, architectural engineering art for towers and skyscrapers, building a civilized and advanced future
Tigers and urban development in buildings and financial facilities in Riyadh, a picture from the back of a Saudi Gulf Arab man wearing traditional clothing and raising the Saudi flag, Saudi National Day, Saudi Flag Day March 11, National Day 8 Rabi’ al-Awwal, background of the King Abdullah Financial Center (KAFD)
Urban growth and progress of towers and skyscrapers, advanced architectural engineering for commercial and residential facilities, luxury buildings and resorts in the United Arab Emirates, a view of Burj Khalifa in Dubai at sunset, coastal tourist cities
The walls of Salwa Palace in the Al-Bujairi district, popular heritage tourist places and attractions to attract tourists to the Kingdom of Saudi Arabia, ancient historical walls and forts in the city of Riyadh, ancient mud buildings and houses in Diriyah, ancient architectural engineering art.
Historical civilization, tourist places and monuments in the city of Riyadh, architecture and ancient mud buildings of Saudi heritage, the historical Masmak Palace Museum in the Kingdom of Saudi Arabia
Architectural engineering art in building mosques in the Kingdom of Saudi Arabia, a place for raising the call to prayer and performing religious duties and prayers, Islamic designs for towering minarets and domes, modern designs for places of worship in the Arab-Islamic style, a mosque surrounded by trees and green nature, a background of the clear sky
Creative image from above from inside Al-Faisaliah Tower in Riyadh, the city of Riyadh, towers and skyscrapers, architectural art in Saudi Arabia, famous tourist attractions in Riyadh in Saudi Arabia
The love of falcons was inherited from the ancestors, a close-up picture of a Saudi Gulf Arab man wearing a daqla and a leather protection glove and raising a falcon bird on his hand, a passion for raising raptors, taming and training birds of prey, a popular heritage tent in the Saudi desert
Two Saudi Arabian Gulf engineers wearing a helmet and a special protection jacket, using a tablet to supervise the work of satellites, tracking the movement of planets and stars via satellite, following up on satellite communication with outer space, astr
Hyatt Regency Hotel in Deira, Dubai, hotels and tourist resorts in the United Arab Emirates, modern architectural art, famous tourist places and landmarks, tourism in the Arab Gulf countries
Historical neighborhoods and mud houses, a Saudi Gulf Arab man wearing a bisht and a golden headband standing next to a large wooden door, Day of Dina 1727 AD, pride in the authenticity of the homeland, wearing popular costumes on national occasions, the anniversary of the founding of the first Saudi state on February 22
Saudi Flag Day, March 11. A smiling Saudi Arabian Gulf woman, veiled and wearing an abaya, stands in front of King Fahd Road and Olaya Road in the city of Riyadh, looking at the camera with expressions of happiness and pleasure. The towers and skyscrapers are lit in green at night to celebrate National Day, September 23.
Raising the flag of the Kingdom of Saudi Arabia with gestures of pride and honor, participating in the celebration of national occasions and holidays, commemorating the Saudi National Day, portrait of a Saudi Arabian Gulf engineer wearing a jacket and a protective hat standing and looking at the camera with pleasure, full body length, gray background
Burj Khalifa in Dubai illuminated with the UAE flag balloon at night, the architectural art of towers and skyscrapers, attracting and attracting tourists from all over the world, urban growth and development on the coast of the Arabian Gulf
Advanced buildings with glass facades to provide services and health care for patients, urban development and progress in the Kingdom of Saudi Arabia, modern architectural engineering art for building medical facilities and centers, distinctive modern exterior decorations and designs in the modern style
Saudi professions and jobs, following up and monitoring the construction process, the concept of development and urban progress in the Kingdom of Saudi Arabia, supervising the progress of the work plan on the construction site, a close-up picture from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest working in the engineering field
Educating children to love the country and be proud of the national identity, a design template for our home’s dream come true, a close-up photo of a Saudi Gulf Arab girl wearing a green T-shirt for the 93rd National Day celebrations on September 23 and holding the Kingdom’s flag in her hand, a background of the towers and skyscrapers in Riyadh
Islamic decorations for building mosques, a picture from the back of a Saudi Gulf Arab woman wearing the abaya and hijab standing in the courtyard of the mosque, the concept of worship and getting closer to God, engineering drawings and designs, sacred religious places and landmarks
Walking around the old heritage neighborhoods, teaching children to be proud and proud of belonging to the homeland, wearing popular costumes on national occasions, Day of Our Day 1727 AD, the anniversary of the founding of the Saudi state on February 22, a Saudi Gulf Arab man wearing an aqal and a bisht, accompanied by his son
Introducing women into the field of industrial engineering, a close-up photo of a Saudi Arabian Gulf woman wearing a hijab, a yellow safety vest and wearing a safety helmet looking at the camera with a smile, Saudi national development projects, supervising and following up on the workflow mechanism of equipment and machines inside the factory
Interest in planting palm trees, attracting investors and visitors from all over the world, urban growth and progress in the capital, huge glass facades, distinctive modern exterior decorations and designs in a modern style, advanced architectural engineering art of buildings in the Kingdom of Saudi Arabia
An information board about the state’s resources for the first Saudi Arabia, a famous Saudi historical cultural center and landmark, the Diriyah Museums at Al-Bujairi View in Al-Turaif District, the historic heritage village in the city of Riyadh.
Following up and auditing the progress of architectural projects, working in the engineering field, standing at the construction site, dialogue and discussion about the construction project, a close-up photo from the back of a Saudi-Gulf Arab contractor and engineer wearing helmets and protection vests, holding the construction drawings plan.
Providing comfort for readers, an Emirati Gulf Arab citizen stands on the escalator in the Mohammed bin Rashid Library in the Emirate of Dubai, scientific libraries in the United Arab Emirates, luxurious interior designs, a place for readers and lovers of science and knowledge, acquiring knowledge and developing linguistic stock
The leading companies in banking services and financial technology in Saudi Arabia, the King Abdullah Financial Center (CAFD) in the city of Riyadh, the famous landmarks and places of Riyadh, the architectural art of economic towers and skyscrapers, the ideal destination for finance and business with international standards.
Integrating work with technology, Saudi goods and orders, determining the level of stock in warehouses, receiving and storing operations in warehouses, the manager of arranging and organizing local warehouses, and a Saudi Arabian Gulf engineer using table
Transportation and communication in Saudi Arabia, planting and caring for palm trees on the sides of streets, car traffic on paved highways, view of towers and skyscrapers in the Kingdom's skyline, famous tourist attractions
Supervising and walking on the construction site, working in the engineering sector, two Saudi Gulf Arab engineers and contractors wearing protective jackets and helmets checking the implementation of the building’s architectural plans, looking at something with gestures of interest.
Expressions of masculinity, strength and self-confidence, supervision and auditing of engineering works, International Men's Day November 19, concept of architecture and construction, close-up portrait of a Saudi Arabian Gulf engineer holding a black mustache-shaped paper clip, blue background
Managing and following up construction projects via mobile phone, integrating technology and technology in the engineering field, portrait of a veiled Saudi Arabian Gulf engineer wearing a helmet and protective vest taking notes, modification of the construction plan using engineering applications and websites, black background
Developing and improving infrastructure, high-rise commercial buildings and facilities, building a developed civilized future in Dubai, modern architectural arts and designs, skyscrapers and towers in the United Arab Emirates, a futuristic imaginary view of progress and urban growth, interest in planting green spaces
Flag Day, March 11, celebration of Saudi National Day, September 23, and National Day, portrait of a Saudi Gulf Arab man wearing a shemagh and traditional thobe, holding the Kingdom’s flag in his hand and looking at the camera, pride and pride in having a national identity, full-length body photo, gray background
Saudi Flag Day, March 11, a picture from the back of a Saudi Gulf Arab man wearing a shemagh and white dress and carrying the flag of the Kingdom, looking at planet Earth in outer space, expressing love and loyalty to the homeland, Saudi National Day, National Day 8 Rabi’ al-Awwal, sunrise on the globe
Factories of the Kingdom of Saudi Arabia, work in the industrial field, youth jobs and professions in the Kingdom of Saudi Arabia, a silhouette from behind at sunset of a Saudi Gulf Arab engineer wearing a jacket and a protective helmet
High-rise commercial buildings and facilities overlooking the sea, the concept of developing and improving infrastructure, an imaginary view of urban progress and growth, Modern architectural designs and arts of towers and skyscrapers in the United Arab Emirates, building a developed civilized future in Dubai
Showing love and loyalty to the state, portrait of a Saudi Gulf Arab man wearing traditional clothing and holding the Saudi flag in his arms with respect and appreciation, glorifying the word monotheism on the Saudi flag, National Day for the Unification of the Kingdom, Flag Day March 11, National Day September 23, chroma, green background
Working in factories and plants in the Kingdom of Saudi Arabia, monitoring and following up on production processes and the workflow of machines, youth engineering jobs and professions, close-up photo from the back of a Saudi Arabian Gulf industrial engineer wearing a jacket and a protective helmet standing and watching the illuminated factory towers and structures at night
Establishing foundations and structures for residential projects and factories, construction, contracting and real estate development works, building construction and mega projects, concept of teamwork and cooperation in performing tasks, silhouette of a group of Saudi Arabian Gulf workers working on a construction site
The concept of patriotism and belonging to the homeland, a close-up image of a flag waving in the sky of the Kingdom of Saudi Arabia, celebrating Flag Day March 11, commemorating Saudi National Day September 23, a background of a sky full of clouds
Highlighting loyalty and love for the homeland, national holidays and events in Saudi Arabia, gestures of confidence and firmness, Day of Our Day 1727 AD, a Saudi Gulf Arab man wearing a bisht and headband walking around one of the mud heritage neighborhoods built in the old style, the anniversary of the founding of the first Saudi state on February 22
Background of scattered iron welding sparks, metal and iron ore factories in the Kingdom of Saudi Arabia, following up on the progress of work in factories and workshops, a close-up photo of Saudi Gulf Arab engineers wearing a protective vest and standing inside the workshop, Saudi engineering professions and jobs