Chimodzi mwa zinthu zofunika kwambiri pa valavu yotchingira mpweya ndi njira yake yotsekera yomwe imapereka chisindikizo cholimba komanso chosatulutsa madzi ngakhale pakakhala zovuta kwambiri. Izi zimatsimikizira kuti valavuyo ipereka ntchito yodalirika kwa nthawi yayitali, zomwe zimathandiza kukonza chitetezo cha makinawo komanso kugwira ntchito bwino.

Ubwino wina wofunikira wa valavu yoyang'anira swing yokhala ndi mpweya ndi kuthekera kwake kuchepetsa chiopsezo cha kubwerera kwa madzi ndi kuipitsidwa m'mafakitale. Izi zimachitika pogwiritsa ntchito kapangidwe katsopano komwe kamapereka magwiridwe antchito osalala komanso osavuta ngakhale pali mankhwala amphamvu komanso zinthu zina zamphamvu.