Ingegneri professionisti in giubbotti di sicurezza e caschi che camminano sul tetto - Foto e immagini stock

Engineers in helmets with blueprint, coffee to go and level walking on roof

Asian Maintenance engineer at the waste water management system of a huge factory,maintenance checking technical data of heating system equipment,Thailand people

Industry engineer under checking the industry cooling tower air conditioner is water cooling tower air chiller HVAC of large industrial building to control air system.

Professional female engineer in safety vest and hardhat with blueprint on coffee break on roof

Environmental engineers work at wastewater treatment plants,Water supply engineering working at Water recycling plant for reuse,Check the amount of chlorine in the water to be within the criteria.

Professional construction worker in uniform is in the factory.

Professional female engineer in safety vest and helmet using tablet on industrial construction

Female architect in safety vest and hardhat using digital tablet on industrial construction

Female engineer with tool belt posing in safety vest and hardhat

Male engineer in safety vest and helmet with blueprint using digital tablet on construction

Beautiful female engineer in safety vest and hardhat writing in clipboard on industrial construction

Attractive engineer in safety vest and helmet writing in clipboard on industrial construction

Beautiful female builder in safety vest and hardhat writing in clipboard on industrial construction

Male smiling engineer in safety vest and helmet with tool belt on construction

Female architect with tool belt in safety vest and hardhat