Cov hlau galvanized muaj cov kab hlau thiab cov hlau barb
Kab hlau: ob npaug
Barb: 2 los yog 4 barbs, nrog 10 hli ntev
Twist hom: ob npaug twist
Yob: puag ncig los yog square
Kov: ib txoj hlau, lossis tsim tshwj xeeb
Khoom siv: cov hlau tsis tshua muaj carbon lossis lub zog tensile siab

































