can metal object plastic trash trash can brick brick wall recycle refuse sanitation trash cans litter recycle receptacle waste clean clean up compulsory green man mandatory Mandatory sign no litter no trash no waste roadsign roadsigns sign signs UP bench duct Dustbin garvage grass park path wooden wooden bench basket baskets Bin bins blue business comgrap02 drawing faces fun funny graphic illustration line line-art objects office paper play playing trashed beach dirty pollution sand summer building dust house skip windows clean-up collection garbage junk messy rubbish asphalt collect houses Morning nature road street trees wait