following u201c a b c a and b a and c b and c a b and c u201d an exception to this definition will occur only when a combination of elements functions steps or acts are in some way inherently mutually exclusive the drawings featured in the figures are for the purpose of illustrating certain convenient embodiments of the present invention and are not to be considered as limitation thereto term u201c means u201d preceding a present participle of an operation indicates a desired function for which there is one or more embodiments i e one or more methods devices or apparatuses for achieving the desired function and that one skilled in the art could select from these or their equivalent in view of the disclosure herein and use of the term u201c means u201d is not intended to be limiting as used herein u201c dumpster u201d means a very large capacity trash receptacle also called a garbage bin having a bottom side four side walls and one or more lids connected by a hinge to cover the top dumpsters typically have a capacity in excess of 95 gallons and are made of metal or heavy duty plastic dumpsters are emptied by front loading garbage trucks these trucks have large prongs or arms on the front which are aligned and inserted into arms or slots openings on the left and right side of the dumpster as one faces the dumpster and the dumpster faces forward hydraulics then lift the prongs and the dumpster eventually flipping the dumpster upside down and emptying its contents into the truck 39 s hopper storage compartment.