Airtight mwambo mwana kukana kuzungulira screw kapu mtsuko

Mtsuko wathu wozungulira wa chitini uli ndi kapangidwe kokongola komanso kachikale. Wapangidwa ndi chitini chapamwamba kwambiri, thupi la chitinicho ndi lozungulira bwino, lokhala ndi m'mbali zosalala komanso zopindika, chivindikiro cha chitinicho chimalowa bwino pa thupi, ndikupanga chisindikizo cholimba chikatsekedwa.​
Kapangidwe ka chitini ichi chotsutsana ndi ana kamadalira njira yogwirira ntchito ya masitepe awiri. Choyamba, chivindikirocho chimafuna kupanikizika kotsika kuti chigwiritsidwe ntchito nthawi imodzi ndikuchizunguliza mozungulira wotchi. Kukana kwa chipangizocho kumayesedwa mosamala kuti chikhale chovuta mokwanira kwa ana osakwana zaka zina, pomwe chingathe kuyendetsedwabe ndi akuluakulu.
Mtsuko wa Tin Wozungulira Wosagonjetsedwa ndi Ana ndi njira yosungiramo zinthu zomwe zimateteza ana kuti asalowe mwangozi pamene akusunga kapangidwe kokongola komanso kosavuta kugwiritsa ntchito. Ndi yabwino kusungiramo mapiritsi, zodzoladzola, zonunkhira, zodzikongoletsera kapena zinthu zina zobisika.