3. thickness ntawm qhov khoom: clear thickness feem ntau pom muaj li khoom zoo, nrog ib tug ntev, khoom phem yuag heev, cheap, siv los kom paub txog tus txiv puas lawm. Piv txhav tas ib yam nkaus thiab, yam khoom zoo ntaub ntawv tuab, kuab force, siv nws lub sij hawm ntau, thiab noj txoj sia ntev. Tsis khoom nyias hawv tsis muaj zog, uas yuav muab piav tau yooj yim puas ntsoog, siv tsawg dua thiab luv luv.
4. muab los ntawm cov khoom sib dhos tshuab: cov khoom zoo thiab phem uas ntev thiab luv, los ua ke tshuab tau zoo kawg thiab raug zoo nrog accessories los ua ke. Qhov khoom zoo together, yooj ywm heev, txhawb txhua yam yog rivets thiab springs no yog ua los raws li lub qhov ntev ntawm qhov khoom txheem. Tsis khoom assembled ntom dhau los sis ib yam nkaus thiab, tus kis thiab loj heev ntawm sab rau sab, rivets thiab springs no kuj non-txheem, uas yuav coj los rau latch thiab rau lub neej zoo.
