—Harmful
*Pencil shavings (could give you a splinter)
*Broken glasses(could injure you)
*Spoiled milk (could make you sick when ingested)
*Can of kerosene (could cause fire)
—Useful
*Soda cans ( you can reuse them or sell them )
*PVC pipes (you can make a water system with it)
*Plastic bottles (you can reuse them)
*Metal bottle cap (you can reuse or sell them)
*Gold bracelet ( you can use it as a accessory)
*Can of kerosene (you can use it for cooking)
PS: Could be one or more answer
