Engineer Architect working table with safety helmet
Schlüsselwörter
aged,
blue,
business,
chemical,
chimney,
chinese,
company,
concept,
construction,
energy,
environment,
environmental,
equipment,
factory,
first,
fuel,
gas,
gasoline,
gear,
global,
hat,
health,
helmet,
industrial,
industry,
looking,
machine,
man,
metal,
occupational,
oil,
outdoors,
person,
petrochemical,
crude oil,
plant,
pollution,
power,
professional,
refinery,
safety,
site,
stack,
steel,
technology,
tower,
warming,
men at work,
young,
construction equipment
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