Khetho e itšetlehile ka kopo le mofuta oa mokelikeli. Li-couplers tsa sefahleho se sephara  li fokotsa ho qhalana, ha li-push-to-connect couplers  li lumella khokahanyo e potlakileng. Ruihua Hardware e fana ka mefuta e 'meli mme e ka khothaletsa tharollo e molemohali ho latela lisebelisoa tsa hau.