A garbage truck is built to collect and transport waste efficiently. Trash is loaded into the truck either manually by workers or automatically using a mechanical arm that lifts bins. Once inside, hydraulic systems power a large metal plate—called a packer blade—that compresses the garbage to create more space. The compacted waste is then pushed into a storage area at the back of the truck. When it’s full, the truck heads to a landfill or recycling facility, where the rear or side opens, and the