Nthawi zambiri, amagwiritsidwa ntchito kwambiri m'makampani ndi ulimi chifukwa ali ndi mwayi wofanana ndi kukana kwa dzimbiri, asidi wabwino komanso kukana kwa alkali komanso moyo wautali.

Kuonjezera apo, mpanda wa chitetezo, maluwa ndi zomera zamaluwa zimapangidwa ndi mitundu yosiyanasiyana ya ufa wa PVC wopopera pamwamba pa mauna otsekemera, pamwamba pake ndi owala komanso owala, osalala komanso osakhala ovuta ndipo sangadule khungu la munthu.

Kunja khoma kutchinjiriza ukonde ndi dzina lina pomanga welded mauna, udindo wake waukulu ndi mu nyumba khoma pamene kuthira kunja khoma kutchinjiriza ukonde anaikamo kuti achite mbali yokhazikika angathenso kupulumutsa njira zambiri zovuta, zosavuta ndi zothandiza.