Cov hnab looj tes tiv thaiv tshav kub yog cov hnab looj tes tiv thaiv uas tuaj yeem thaiv qhov kub thiab txias thiab tiv thaiv kom tsis txhob ua mob rau koj ob txhais tes. Nws feem ntau yog siv nyob rau hauv high-temperature ib puag ncig nyob rau hauv semiconductor, electronics, precision instruments, integrated circuits, kua siv lead ua zaub, optical instruments, zaub mov thiab lwm yam lag luam.