Engineering | Science | Technology on Instagram: "When a New York City garbage truck compresses trash, it’s doing more than just saving space. Inside the truck, a powerful hydraulic compactor crushes bags, food waste, and soaked materials together. All that pressure forces out leachate—a foul mix of water, food liquids, and decomposing waste. Since trash bags aren’t sealed and garbage often sits in the rain or snow, those liquids have to go somewhere. When the compactor slams forward, the built-

Solid Waste