Ya dace da lakabin kewayawa ko ƙananan madauwari na abubuwa na cylindrical tare da ƙananan diamita waɗanda ba su da sauƙi a tsaye. Ana amfani da canja wuri na kwance da alamar kwance don ƙara yawan kwanciyar hankali da alamar alamar yana da girma sosai.Ana amfani da shi sosai a cikin kayan kwalliya, abinci, magunguna, sinadarai, kayan rubutu, kayan lantarki, hardware, kayan wasan yara, robobi da sauran masana'antu.Kamar: lipstick, kwalban ruwa na baka, karamar kwalban magani, ampoule, kwalban sirinji, bututun gwaji, baturi, jini, alkalami, da sauransu.