Mndandanda wa valavu yokonzera chithunzi chakhungu amatchedwanso valggle vala, valavu yotchuka, ndipo ndi chipangizo chomwe chingadutse gasi. Amagwiritsidwa ntchito mu mpweya wamagesi wa mpweya wa mabizinesi a mafakitale, mabizinesi, kutetezedwa kwa chilengedwe ndi mafakitale ena, oyenera kudula mipweya yoopsa, yovulaza komanso yoyaka. Ndikofunikanso kugwiritsidwa ntchito ngati mbale yakhungu kumapeto kwa mapaipi kuti afupitse nthawi yokonza kapena kulumikiza mapaipi atsopano. Poyerekeza ndi zida zina za valavu yomwe imapangitsa kuti valavu yakhungu ili ndi mawonekedwe akhungu, olemera ochepa, kukula kwakukulu, komanso kuthamanga kwa mpweya wabwino.