blade circle circular cut disc edge metal round saw sawblade sawing sharp sundtool texcture wheel edges shape brick-cutter bricks circular-saw cutting dampen danger Dirt dirty dust ear-protection electrical equipment machine noise Noisy pavers paving power powerful protected protection protective safety safety-equipment safety-gear water wet work working workman background blood closeup construction dangerous detail disk electric images industrial industry iron isolated mill object old red shiny silver stains steel teeth tool white abstract aged angles board cracked cracking cracks damage damaged decay deteriorating disused dry-wood grained grains gray grey lined lines lumber maintenance plank planks rough rustic saw-burn-marks saw-burning split splitting surface surfaces surfacing texture textured textures timber upkeep weathered wood wood-grains wooden worn