Umnqwazi weProfayile yesitishi soMqulu wokwenza umatshini
Imijelo yomnqwazi yolunye uhlobo lwenkqubo yophahla lwentsimbi, enokusetyenziswa njenge-purlin apho kufuneka iprofayili ephantsi, okanye apho inkqubo yokugquma ifuna izithuba ezikufutshane ze-purlin ngaloo ndlela yenza umgangatho "Z" okanye "C" purlins zibiza kakhulu.
Umatshini wethu wokwenza iprofayili yomnqwazi kukwenza iziteshi zomnqwazi, ezisebenza ngokubanzi kumashishini okwakha uphahla lwentsimbi / intsimbi.
Bhala umyalezo wakho apha kwaye uwuthumele kuthi