1. Chemicals and waste: waste batteries, waste fluorescent tubes, waste pesticides, waste paints, waste paint cans, waste chemical reagents, and so on.
2. Electronic products and electrical appliances: waste TV sets, waste computers, waste refrigerators, waste air conditioners, waste chargers, waste batteries, etc.
3. Medical waste: waste medicines, waste needles, waste medical gloves, waste medical masks, waste medical equipment and so on.
4. Metal waste and waste oil: waste metal products, waste motor oil, waste vehicle lubricating oil, etc.
These hazardous wastes, if not handled properly, may have adverse effects on the environment and human health. Therefore, we should put these items into specific garbage cans or bags and send them to designated waste disposal facilities for disposal to avoid environmental pollution and health risks.