Ka boiphihlelo ba lilemo tsa tlhahiso ea marang-rang sling 20 ton , Lishenflex e ka fana ka mefuta e mengata ea marang-rang ea marang-rang 20 ton . webbing sling 20 ton e ka kopana le lits'ebetso tse ngata, haeba u e hloka, ka kopo fumana tšebeletso ea rona e nakong mabapi le marang-rang a marang-rang a 20 ton . Ntle le lethathamo la lihlahisoa tse ka tlase, u ka boela ua iketsetsa mokhoa oa hau o ikhethileng oa marang-rang oa lithane tse 20 ho latela litlhoko tsa hau tse ikhethileng.