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Makhalidwe akuthupi
Kukana kwa Chemical: Imakhala ndi kukana kwamankhwala abwino ndipo imatha kukana kukokoloka kwa mankhwala ambiri, ndikupangitsa kuti ikhale yabwino kusungirako mankhwala ndi kulongedza zakudya.
Kukana kutentha: Imakhala ndi kutentha kwakukulu ndipo imatha kukhazikika pakatentha kwambiri, zomwe zimapangitsa kuti ikhale yoyenera kupanga zinthu zosagwira kutentha monga uvuni wa microwave ndi zotsukira mbale zotetezedwa.
Kukana kwamphamvu: Imakhala ndi kukana kwabwino, ndikupangitsa kuti ikhale yabwino popanga ma jakisoni owumbidwa ndi ma CD amakanema.
Opepuka: Ndi pulasitiki yopepuka yokhala ndi kachulukidwe kakang'ono, kupangitsa kuti igwiritsidwe ntchito kwambiri m'malo monga zida zamagalimoto ndi mipando kuti muchepetse kulemera ndi mtengo.
Kubwezeretsanso: Zida zitha kubwezeretsedwanso ndikugwiritsiridwanso ntchito, zomwe zimathandiza kuchepetsa zovuta zachilengedwe.
Malo ogwiritsira ntchito
Kupaka: Amagwiritsidwa ntchito kwambiri pakuyika zakudya, zopangira mankhwala komanso zonyamula zofunika tsiku lililonse, monga zotengera zakudya, mabotolo, matumba, ndi zina zambiri.
Makampani opanga magalimoto: Popanga zida zamagalimoto, amagwiritsidwa ntchito popanga ziwalo za thupi, zamkati ndi zida za injini.
Malo azachipatala: Amagwiritsidwa ntchito popanga zida zamankhwala, machubu oyesera, matumba olowetsedwa ndi zina zamankhwala.
Katundu wapakhomo: amagwiritsidwa ntchito popanga mipando, zinyalala, POTS, mabasiketi ndi zinthu zina zapakhomo.
Ntchito Industrial: PP chimagwiritsidwa ntchito m'munda mafakitale kupanga mapaipi, muli mankhwala, akasinja yosungirako ndi zina zotero.