Ama-alloys esiliva e-tungsten aqukethe phakathi kuka-15-70% wesiliva.Ngokuyinhloko zisetshenziselwa othintana nabo kagesi-imvamisa amadivaysi asindayo angaphansi kwamandla aphezulu,
okufana nokuhambisa ama-circuit breaker phakathi kuka-100 no-800 A, izinqamuli zokuvuza komhlaba, ukuthintana okunyakazayo kwe-air circuit breaker phakathi kuka-1000 no-10000 A, ama-thermostats, ama-circuit breaker amancane, ukuthintana kwe-arcing kumasayizi amakhulu othintana nawo, ama-circuit breaker ahlanganisiwe nama-heavy. -layisha oxhumana nabo be-AC/DC, njll.