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Black metal hexagonal bolts and nuts shown in close-up isolated on white background
Very large group of black steel screw bolts, abstract industrial background
The worker screwing plasterboard to the ceiling. He is using special electric screwdriver and drywall lift. A red plasterboard improve the fire resistance of ceiling structures.
Multiple metal wire nail, nails or fasteners, flat vector icon for apps and websites
Close-up of shiny grey metal facade fastened by silver screw.

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