If you have any old metal products like old electronics that are unused, why leave it around to create a mess? Recycle it! By recycling your metal scrap, not only you can reduce your waste you can earn some profit from it.
We collect copper wires, unused wires, cables and computer parts. People usually throw away hard disk, cell phones, batteries into the trash can. All these items are actually harmful to the environment if not disposed right. Burning any of this may also produce poisonous gas which are harmful for us. Therefore, you should recycle it rather than just throwing it into the trash can.