Matumba omangika ambali atatu ndi mtundu wamba wamapaketi osinthika omwe amagwiritsidwa ntchito pazinthu zosiyanasiyana, kuphatikiza chakudya, zokhwasula-khwasula, mankhwala, ndi zina zambiri.Matumbawa amapangidwa ndi kusindikiza mbali zitatu za pepala lathyathyathya lazoyikapo, kusiya mbali imodzi yotseguka kuti mudzaze mankhwalawo.Mbali yotseguka imasindikizidwa mutatha kudzaza, ndikupanga phukusi lotetezeka komanso lopanda mpweya.