adjustable artificial-lawn artificial-turf blades clean-cutting colored colors coloured colours convenient curved curved-blades curving cutting-blades cutting-cylinder efficient grass handles handmower lawn manual mower mowing muscle-power orange push push-mower pushing quiet rigid rotating safety sharp shear-cutting stable steel strong uncomplicated variable-height wheels apocalypse army bio biohazard black breath breathe chemical creepy danger defense doomsday face fallout fear free gas gray grey halloween hazard hazmat horror human image isolated mask military nuclear object photo photograph picture poison prop protection radiation resource respirator rubber safe scary somadjinn spooky stock toxic war warfare white angles appearance building capping cleaning cover covered covering dangers ear protection edge exterior external height high high-pressure improvement maintenance pressure pressure-cleaning renovating renovation repairs restoration restoring risks risky roof roof-area roofing rooftop skies sky spray sunlight sunshine tiles tiling tools tough water wet work workman access-denied advice alert appropriate-behavior appropriate-behaviour boating boats care caution communicating communication dangerous directing direction helpful information informative informing not-allowed not-permitted prohibited prohibition restricted restriction restrictions risk rocks rocky shallow sign signs symbol symbols warning warning-sign waterside words yellow background close-up concern directions distinctive greenery hazardous hazardous-pathway message path-warning-sign shade shadows signage tree trees trip-warning tripping-up uneven vegetation walking-hazard buildings Camp campsite campsite pool clean clear contained cool duty of care enclosed entertaining entertainment fence fun outdoor outdoors pool poolside private protected recreation recreational reflections relaxation relaxing responsibility responsible rural sectioned-off secure security socialising sport surrounding surrounds swimming swimming pool