Drum Drum amagwiritsidwa ntchito makamaka poyendetsa mutu wa lamba. Ili ndi mawonekedwe a kapangidwe kake, malo ochepa okhala ndi malo, kuyika kosavuta, chitetezo chokwanira, mtengo wotsika, fumbiro ndi madzi. Pamwamba amatha kuphimbidwa ndi mphira, ceramic akulocha, zokutira polyirethane, etc. Kuti muchepetse kukangana. Amagwiritsidwa ntchito kwambiri mu mafuta & mpweya, migodi, mchenga ndi miyala, metaldurgy, makampani opanga mankhwala, doko ndi mafakitale ena.