差出人
類似のロイヤリティフリーの画像
Young Caucasian worker in protective suit tightening the valve and using tablet while standing in heating plant.
Caucasian serious hardworking worker in protective suit and helmet on head using tablet while standing in heavy industry plant.
Dedicated smiling factory worker standing next to boiler and holding tablet. Worker is dressed in protective uniform, having hardhat and antiphons.
Operational level employees engineer using talkie walkie report matter to supervisor inspects control system large air condition at rooftop building construction site. Technician worker working hvac.
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