branches chipper chipping chipping-machine chips cover covered covering danger dangers ear-muffs ear-protection equipment feeding helmeted helmets high-pressure improvement machine machinery maintenance men-at-work outdoor-power-equipment power-equipment protection protective-clothing protective-gear pushing risks risky safety safety-colours spray sunlight sunshine tools tree tree-branches tree-loppers tree-lopping wood-chipper wood-chipping wood-chipping-machine work work-clothes workers workman workmen brick-work bright bucket building cement cement-mixer cement-work cementing concrete construction driven driving electrical electricity empty energy engines mechanical mix mixer mortar motor movement power powered strength turning working yellow black close close-up closeup cropped free gray green grey image iron isolate isolated isolation macro metal metallic object pen photo photograph picture resource round section sharp solder soldering somadjinn stock straight tech technical technological technology tip tool UP white coil coils station gold golden orange chain-saw grinder stumpgrinder abundance aperture background bolt Built Structure chrome plated circle construction material coupler facet fastening grained grooved group of objects heap hexagon hole industry machine part material metal industry New nut nut thread occupation pile of nuts polyhedral repairing repetition scattered - rassipanie scattered nuts screw screw thread screw-nuts silver spiral stack steel steel mill texture Textured Effect thread threaded vehicle part work tool drill electric handy handyman Nyberg point boxes choke creative embroidery handwork homework kit needle work sewing supplies supply thimble twine yarn