Workers apply insulation material to the building using a paint roller, Isolation work

Workers apply insulation material to the building using a paint roller, Isolation work

construction work construction machinery construction loader backhoe loader excavator construction machine bulldozer construction equipment industry construction site building site building construction construction industry build engineering construction engineering equipment industrial equipment industrial machine contractor civil engineering concrete engineer construction safety helmet construction worker worker work safety construction project worker helmet steel construction construction crane crane construction hat video videos Isolation works