Wayar reza, wacce kuma ake kira kaset, tana da sauƙin shigarwa kuma tana aiki azaman abin hana gani da kuma shingen jiki, wanda ke da wahala matuƙar wahala.
hawa. An yi shi da kayan galvanized ko bakin karfe don yanayi daban-daban da darajar tsaro.

Punch tef ɗin galvanized ko bakin karfe zuwa siffofi da girma dabam dabam
ruwan wukake. Kuma ruwan karfen yana da sanyi a dunkule tam zuwa waya.