branches chipper chipping chipping-machine chips cover covered covering danger dangers 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 chain-saw ear-muffs ear-protection grinder stumpgrinder work-clothes workers workman workmen boots brush cutter engine fuel fuelled gasoline-engine line trimmer line trimmers motor motorised motorized outdoor power equipment petrol engine protective clothing protective gear safety colours shaft spinning strimmer string trimmer trimmer weed wacker whipper snipper work clothes working addressee aerial antenna beam blue broadcast cable communication construction digital directional directive dish electric electronic electronics energy house housetop media modern New outdoor photo power radio receiver reception receptor rooftop dish satellite satellite dish satellitenschüssel science sky system technology telecast television tool tv ugly video wave wireless