Nrog txoj kev loj hlob ntawm lub Hoobkas luam, peb yuav tsum tau yuav ntau lub tshuab luam ntawv zoo dua thiab ntau tshaj lij kom zoo dua qub thiab ua kom zoo dua qub. Peb yuav tsum ceev faj nrog lub sijhawm thiab tsis tuaj yeem sawv ntsug.
Txhob lo lo ntxhuav luam ntawv thiab ntaub ntim tshuab luam ntawv tau loj hlob thiab muaj ntau yam zoo uas tsis yog nyob rau hauv txoj kev luam tawm tib yam. Nws yooj yim dua thiab yooj yim dua los luam cov ntawv luam ntawm substrates uas nyuaj rau luam, thiab nyuaj rau luam tawm. Kev hloov ntawm cov ntawv luam tawm yog kev tsis pom zoo. Nws yog ntau dua uas yuav tsum tau yuav daim kab xev ntim tshuab luam ntawv. Xaiv lub tshuab luam ntawv zoo qhov tshuab luam tawm yog qhov tseem ceeb tshaj plaws. Ua ntej tshaj plaws, lub tshuab luam ntawv zoo ntawm lub tshuab yuav tsum yog qhov zoo. Qhov no yog qhov yooj yim. Yog hais tias cov luam ntawv tsis zoo heev, qhov tseeb tsis txaus, thiab nws tsis ruaj tsis khov, nws yog qhov tseeb tsis yog lub tshuab tsim nyog. Secondly, qhov kev ua tau zoo ntawm lub tshuab yuav tsum ruaj khov. Yog hais tias qhov teeb meem yooj yim, cov ntawv luam ntawv yuav ua rau tuaj. Yog vim li cas thiaj li tsim nyog, tus nqi kuj yog xam tias, feem ntau cov nqi siv tshuab zoo tshaj plaws.