a protective device with an element that opens the circuit by melting when subjected to excessive current, a device for protecting electrical apparatus against the effect of excess current; it consists of a piece of fusible metal, which is connected in the circuit to be protected, and which melts and inter

a train of powder enclosed in cotton, jute yarn, and waterproofing compounds; used for firing a cap containing the detonating compound which in turn sets off the explosive charge. The fuse burns at th, niiskuskindel püssirohuga täidetud nöör plahvatuste korraldamiseks