1. Ruaj ntseg qhov tawg-pov thawj teeb fixture rau phab ntsa, xyuas kom lub teeb npog saum lub teeb.
2. Xov los ntawm qhov haum nyob rau hauv ib theem zuj zus, ces txuas lub gasket thiab foob, tawm ntawm qhov ntev.
3. Tighten the fitting firmly and secure it with screws to ensure it does not come loose.