Bestar fana ka mola o felletseng oa likarolo tsa mamati a roller le lisebelisoa. Sena se kenyelletsa lisebelisoa tsohle tsa mamati a roller le lisebelisoa tse ling tse kang liliba tsa torsion, ts'oarello ea selemo, moqomo, ketane ea hoist, latch, senotlolo se bohareng, ho hlobolisa maemo a leholimo, stapler, lithakhisa, tube ea shaft…