Material: carbon steel & insimbi engagqwali.
Ukunwetshwa okuphelele kanye nepulaki eyakhelwe ngaphakathi eyakhelwe ngokukhethekile iqinisekisa ukunwetshwa okugcwele kwehange.
Amanani okuhlola abalulwe ngezansi atholwe kusetshenziswa u-200-250kgs/cmconcrete (akukho ukuhlanganisa).
Umthwalo ophephile wokusebenza akufanele weqe u-25% wenani elishiwo.