That's a great question, and honestly, it's something most people don't think about until there's a problem! From my experience living in the city, the answer is generally yes, they are designed to be compatible, but it's not without its challenges.
The classic rectangular dumpsters you see behind restaurants or apartments are built to a standard. Their heavy-duty metal arms are positioned specifically to match the forks or clamps on the side-loader garbage trucks. When it works smoothly, the driver pulls up, the truck's arm grabs the can, lifts it overhead, and empties it in one fluid motion. It's pretty efficient.
However, not all bins are created equal. In residential areas with smaller curbside cans, compatibility is usually excellent. These wheeled bins have a standardized bar across the top that the truck's automated arm can easily grab and hoist. The real issues pop up with older bins, damaged ones, or when people overfill them so the lid won't close. A truck can't safely lift a bin that's bursting at the seams.
There's also a move toward "smart" bins with sensors. These don't change the lifting mechanism but help trucks only empty bins that are full, making routes more efficient. So, while the system is designed for compatibility, its smooth operation relies on good bin maintenance, proper use by residents and businesses, and ongoing updates to equipment. When all those pieces align, those big trucks make emptying our city's trash look effortless.