Insimbi eyisiyingi ihlukaniswa njengegoqiwe eshisayo, ekhandwayo futhi ebandayo.Insimbi eyindilinga eshisiwe ingu-5.5-250 mm ngosayizi.Phakathi kwazo: 5.5-25 mm insimbi encane eyindilinga ikakhulukazi ukuhlubula iqonde ibe izinyanda zokuhlinzeka, evame ukusetshenziselwa ukuqinisa imigoqo, amabhawodi kanye nezingxenye ezihlukahlukene zemishini;Insimbi eyindilinga enkulu kuno-25 mm, esetshenziswa kakhulu ekwenzeni izingxenye zemishini, ipayipi lensimbi engenamthungo elingenalutho, njll.