Ngezintambo ze-rack ratchet , wonke umuntu unokukhathazeka okukhethekile okuhlukile ngakho, futhi esikwenzayo ukukhulisa izidingo zomkhiqizo wekhasimende ngalinye, ngakho-ke ikhwalithi yezintambo zethu ze-roof ratchet rack iye yamukelwa kahle amakhasimende amaningi futhi yajabulela idumela elihle emazweni amaningi. Amabhande e-Lishenflex ophahleni lwe-ratchet anomklamo wesici & ukusebenza okungokoqobo & intengo yokuncintisana, ukuze uthole ulwazi olwengeziwe mayelana nezintambo ze-ratchet zophahla , sicela ukhululeke ukuxhumana nathi.