Mtengo wa chingwe chozimitsa chubu cha rectangular ndi kupanga chotenthetsera ndi chiyani?

Nthawi zonse, mtengo wakale wa fakitale wa seti ya rectangular chubu quenching ndi tempering kupanga mzere ndi 100,000 US madola, ndipo palinso 200,000 madola US, amene makamaka anakhudzidwa kasinthidwe ake, chitsanzo, ntchito, wopanga ndi zinthu zina.

Ndibwino kuti ogwiritsa ntchito agule zozimitsira machubu amakona anayi komanso mizere yowotcha.

Pali zifukwa zitatu:

1. Mtengo wotsika mtengo

2. Mpikisano ndi woopsa, ndipo mtengo wa rectangular chubu quenching ndi tempering mzere kupanga ndi otsika.

3. Mayendedwe abwino komanso chidziwitso chapanthawi yake.