For rubber, kallat, (patient ma-) to be torn, as that on a slingshot, paldī'it, for a metal blade (patient ma-) to be cracked, such as the blade of a knife, bolo, spear etc.
mablat
Adyū'a din uwah an inyamma' ti inetnob'u ya nablat at mid hulbīna.
What a pity about the knife I made, because I tempered it and it was cracked and so was useless.
ma-: mablat