Dab tsi yog Lub Luag Haujlwm Ntawm Tua Manifold?

Lub luag haujlwm ntawm tua manifold yog raws li nram no:

(1) Thaum kaw hauv lub qhov dej nrog tag nrho cov kua dej yog yuam kom tau txais kev tua neeg kom paub txog kev tua neeg;

(2) Thaum lub tshuab hluav taws xob tshwm sim, cov dej huv raug yuam kom tso rau hauv lub qhov dej los ntawm kev tua manifold los tiv thaiv kev sib tsoo thiab hluav taws;
(3) Thaum hluav taws kub hnyiab tshwm sim, tus neeg tua hluav taws raug yuam kom tso rau hauv qhov dej los ntawm kev tua manifold los pab tua hluav taws.