Crab shells are hard, and putting wet garbage will damage the wet garbage processor. Similarly, durian shells and coconut shells are dry garbage. Dry garbage is garbage that does not rot, wet garbage refers to garbage that does rot, and crab shells do not rot, so it belongs to dry garbage, that is, other garbage in garbage classification.
Other common dry garbage
Paper towels, toothpicks, mops, rags, disposable chopsticks, ceramics, wastes, cleaning residues, pottery, plates, big bones, hard shells, plastic bags, fresh-keeping bags, plastic wrap, A4 paper, packaging bags, snack packaging bags, express packaging bags, hot drink cup covers, coffee cup covers, buttons, dry batteries (mercury-free), masks, big bones and so on.