blade brick-cutter bricks circular 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 demining explosive minehunters minesweeper navy sea security ship war Automotive tire boat gas lifebelt lifebuoy metal Personal protective equipment rope wire wood branches chipper chipping chipping-machine chips cover covered covering dangers feeding helmeted helmets high-pressure improvement machinery maintenance men-at-work outdoor-power-equipment power-equipment protective-clothing protective-gear pushing risks risky safety-colours spray sunlight sunshine tools tree tree-branches tree-loppers tree-lopping wood-chipper wood-chipping wood-chipping-machine deck enjoyment fun girl guard guard rails lines nylon outdoors over-the-edge over-the-side rails recreation rigging rigging equipment ripples ropes safe safety-jacket sail sailing sea-going yacht secure tie tied tight watching waves yacht yachting Young girl chain-saw ear-muffs grinder stumpgrinder work-clothes workers workmen boy child color colored colour coloured control man mother parents relaxing rigging-equipment river safety-jackets shadow shadows small-boat surfaces travel traveling travelling trimaran water-sport waterways woman