Screw piles
-
Screw piles bakeng sa ho haha motheo o tebileng
Screw piles ke sekontiri sa tšepe se kenyang li-screw-in le sisteme ea ho tiisa fatše e sebelisetsoang ho aha metheo e tebileng.Li-Screw piles li etsoa ka boholo bo fapaneng ba likarolo tse sekoti tsa qubu kapa liankora shaft.
