tender for auctioning of unusable materials. - old tires and tubes under the vehicles sectionold batteries under the vehicles sectioniron under the vehicle repair auto parts sectionbrass under the vehicle repair auto parts sectionaluminum under the vehicle repair auto parts sectionplastic under the vehicle repair auto parts sectioniron containers, trolleys, tankers, coolers, fans, and other unusable iron materials.printers under the computer and photocopy sectiontoners under the computer and photocopy sectionscanners under the computer and photocopy sectionmouses under the computer and photocopy sectioncomputer (screens) under the computer and photocopy sectioncpus (computer machines) under the computer and photocopy section