Lishenflex e le moetsi le mofani oa thepa ea li-ratchet tsa mosebetsi oa boipheliso Chaena, likhoele tsohle tse mahareng tsa mosebetsi li fetisitse litekanyetso tsa setifikeiti tsa indasteri ea machaba, 'me u ka tiisetsoa ka ho feletseng ka boleng. Haeba u sa fumane likhoele tsa hau tsa Intent duty medium ratchet lethathamong la rona la lihlahisoa, o ka ikopanya le rona, re ka fana ka lits'ebeletso tse ikhethileng.