We use hook system in our Depressed Center Wheels to pick top, so it is everlasting, no repetitive costs like Vacuum cups that need changing of vacuum cups and devouring power for running vacuum pump, which must be kept up appropriately and lastly supplanted after some point. Working of these Depressed Center Wheels take lesser time; thus, output is expanded. In addition to interim, between pressing and melting the lid with container, is decreased to least. Else, generally liquefied part of cover will have cooled layer that will build chances of Spillage. These wheels can be easily integrated with different grinding, pulverizing and allied machines to provide best results.