bussiness meeting chart coffee cup computer computer graphic computer screen laptop laptop screen meeting people working portable computer using computer work working at computer at work ear earmuff protection construction construction machinery construction people construction site crane crew heavy duty heavy objects HSE lifting machines mobile crane operating people at work safety safety precaution supervising working artisan boat Boatbuilding by hand Caulking experience fishing boat knowledege manual construction manual tools Shipwright texture Watertight wood wood texture wooden boat woodwork council cricket pitch flattened flattening grass green machine men at work oval pitch playing field preparation preparing reserve rolled roller rolling sport sporting sporting field worker charity helpers level levelling levels not-for-profit paving paving slabs preparing sand rail rake reflections sand shovel slabs steps voluntary volunteer workers volunteers workers activity at beware blank blue build building caution danger dig digging hazard industrial industry information man manual men metal repair repairing road roadworks rope sign site street symbol triangle urban wall warning white works anchorage anchored at anchor boats cable laying cable laying ship cable ship cabling decks equipment harbor harbour heights high observation deck observing ocean going ship tools vessel working ship working vessel action appearance business cage city clean cleaner cleaning cleanliness elevating exterior glass height helper hoisting platform house inhabited job lift maintenance office outdoors reflection service support tidy tidy up tool wash washer window wipe wiper working. commercial chain saw cherry picker ear muffs extension Harness helmet looking down lopping noise reduction Noisy pruning raised platform safety harness tall tall tree tree tree loppers tree lopping up high workmen