an image from the US government EPA "Sunwise" program. I converted it from PDF format. the source link is here - http://www.epa.gov/sunwise/doc/poster.pdf
冰箱大綱
appliance、cartoon、coloring book、contour、electrical appliance、epa、epa sunwise、Everyday Objects、freezer、fridge、household、kitchen、line art、outline、véhicule outil
器具、動畫片、填色本、輪廓、電器、EPA、epa sunwise、日常物品、冰箱、冰箱、家庭、廚房、線條藝術、大綱、車輛工具
資料來源：openclipart ( https://openclipart.org/ )