Ivalvu yebhabhathane

Ivalvu yebhabhathane, ekwaziwa ngokuba yivalvu yeflap, luhlobo lwevalvu elawulayo esetyenziswa kakhulu kumashishini ahlukeneyo ukulawula ukuhamba kolwelo. Iqulathe izinto ezibalulekileyo ezininzi, kuquka umzimba wevalvu, isiqu sevalvu, ipleyiti yebhabhathane, kunye neringi yokutywina. Ezi zinto zisebenza kunye ukuqinisekisa ukusebenza kakuhle nangokuchanekileyo kwevalvu.