· E thusa ho tlosa insurance karolong e telele le bohareng ba thapo
·Botebo bo feto-fetohang
·E thusa ho khaola hammoho, ka spiral le ka selikalikoe
·E kentsoe thipa e rotary
· E kentsoe kotola ea ho lokisa sethibela-qha
·Sekala ( Ø10, 15, 20, 25 mm ) ho sethibelo sa seqha