Puas yog lub tshuab compressor muag nrog tus nqi siab? Tus nqi qis? Yuav ua li cas thiaj txiav txim siab?
Tus nqi yog qhov nyuaj thiab qhov nyuaj, qhov yooj yim thiab yooj yim. Qhov laj thawj yog qhov nyuaj vim tias tus nqi tseem ceeb heev. Feem ntau hais lus, muaj tsib yam tseem ceeb uas yuav tau txiav txim siab hauv kev ua tus qauv nqe:
Cov yam ntxwv khoom;
Kev ua lag luam rau cov neeg siv khoom;
Kev sis tw nqi yam khoom;
Tus nqi ntawm cov khoom;
Cov ua ke ntawm cov nqi.
Ob yam ntxwv ntawm qhov khoom nws tus kheej thiab tus nqi ntawm cov khoom yog qhov tseem ceeb tshaj plaws.
Ob qho kev mob yuav tsum txhawb nqa cov neeg siv yuav: thawj, tus nqi cim; qhov thib ob, tus nqi paub. Ob qho xwm txheej no yog ob leeg ua ke nrog kev sib raug zoo. Ob qho tsis sib npaug, tab sis sib txig sib luag. Kev pom zoo tus nqi yog zoo heev thiab nkag siab zoo, tab sis tus nqi teev npe tus nqi sib txawv.
