Kugwiritsa ntchito valve

Chongani valavu ndi valavu yomwe imalepheretsa kubwezera kwa media. Ili ndi ntchito zingapo m'magawo osiyanasiyana. Otsatirawa ndi malo ena a makanema a cheke:

Dongosolo lapaipi: Mu vanilinelone wa papipi, mawonekedwe a cheke amagwiritsidwa ntchito poletsa madzi obwerera kapena kusintha madzi kuti awonetsetse kuti madziwo amayenda m'njira wamba.

Mankhwala othandizira madzi: Chevel Mavvu nthawi zambiri amagwiritsidwa ntchito pamakina osokoneza bongo ndi njira zamankhwala kuti madzi aletse madzi ndikuteteza zida ndi mapaipi awonongeka.

Makampani Opanga Mankhwala: Njira yopanga mankhwala, mawonekedwe a cheke amatha kuwongolera njira yolowera kwa sing'anga, kupewa kusakaniza kuchokera kumayendedwe.

Makampani a mafuta ndi gasi: Makunja a Mafuta amagwiritsidwa ntchito mu mapaipi a mafuta ndi maboti obowola kuti mafuta ndi mpweya usamayende bwino ndikugwiritsa ntchito bwino pakhomo.

Makina a injini ndi pampu: Munthawi ya injini komanso magetsi, komanso makina ampopo, amayang'ana kuti sing'angayo ibwererenso ndikubwerera dongosolo.