Lub lim tiam no, tus nqi tseem ceeb ntawm lub khw muag khoom tau hloov pauv thiab muaj zog.Thaum pib ntawm lub asthiv, nrog rau kev txo qis ntawm yav tom ntej thiab qhov pom tseeb poob qis hauv cov khoom lag luam, cov lus hais ntawm qee hom tau poob me ntsis.Txawm li cas los xij, nrog kev nce ntawm cov khoom lag luam hauv ib nrab ntawm lub voj voog thiab kev ruaj khov ntawm cov khoom siv raw khoom, kev ua lag luam tam sim no tau nkag mus rau qhov chaw so, thiab qhov chaw tag nrho tseem nyob ruaj khov thiab muaj zog.

Ntawm qhov tod tes, tus nqi lag luam steel hauv tsev tau hloov pauv ntau lub lim tiam no.Lub lim tiam tom ntej, lub davhlau ya nyob twg cov lag luam thiab kev lag luam lag luam yuav pib nyob rau lub sijhawm kaw, thiab qhov chaw yuav nyob rau hauv lub xeev ntawm tus nqi thiab tsis muaj kev lag luam.Tsis tas li ntawd, kev txiav txim siab los ntawm tag nrho cov khoom lag luam hauv kev ua lag luam tam sim no, cov khoom khaws cia ntawm ntau yam yog qis dua li xyoo dhau los, yog li tag nrho cov khoom lag luam siab yuav tsum superimposed tom qab xyoo.Tag nrho hauv tag nrho, kev ua lag luam yuav raug kaw rau lub lim tiam tom ntej, thiab lub khw muag khoom yuav nyob rau hauv kev sib koom ua ke muaj zog.