1. Phab ntsa ntawm cov khoom siv tshuaj tiv thaiv kub thiab cov khoom siv cua sov (xws li kev lag luam tshuaj).2. Muaj lub qhov rooj rauv, sab saum toj npog, kiln hauv ob sab phlu, thiab lwm yam 3. Thermal rwb thaiv tsev rau boilers, chav turbines thiab nuclear fais fab kev lag luam.4. Kev tiv thaiv hluav taws thiab ...
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