Lim efficiency ntawm lub qhov ncauj qhov ntswg

Qhov no yog ib qho ntawm cov kev cai tseem ceeb rau cov plua plav qhov ncauj qhov ntswg, uas ua rau lub ntsej muag plua plav muaj peev xwm tiv thaiv cov khoom me me. Raws li cov khoom tiv thaiv sib txawv, lub ntsej muag lim plua plav tau muab faib ua KN thiab KP hom. Ntawm lawv, KN hom lim yog tsim rau lim cov khoom uas tsis yog roj, xws li cov xuab zeb thiab pob zeb hmoov av, thiab KP hom yog tsim rau lim cov khoom oily xws li roj pos, coke cub pa taws, thiab lwm yam thiab cov khoom uas tsis yog oily.