Hauv lub neej niaj hnub, chav dej kho chav dej yog qhov tseem ceeb ntawm kev txhim kho lub neej, tab sis kuj tseem muaj kev nyab xeeb ntawm cov chav dej ua haujlwm, tab sis kuj tseem muaj kev pabcuam hauv chav dej ua kom meej {2
Ua ntej, cia peb tsom rau kev sib xyaw ua ke ntawm cov chav dej thiab cov iav ua kom tsis txhob muaj kev cuam tshuam nrog cov khoom siv khawm, thiab tsis txhob muab cov iav qhib kev ua kom zoo nkauj, thiab tsis txhob muaj cov iav qhib kev ua kom zoo nkauj, thiab tsis txhob muaj cov iav qhib kev sib tsoo, thiab tsis txhob muab cov iav qhib kev ua kom zoo nkauj, thiab tsis txhob muaj cov iav qhib kev ua kom zoo nkauj, thiab tsis txhob muaj cov iav qhib kev sib tw, thiab tsis txhob muab cov iav qhib kev ua kom huv si {1}
Tom ntej no yog kev saib xyuas thiab siv cov kais dej . Thaum cov kais dej uas ua rau hnav kom zoo rau hauv. Ib qho ntxiv, tshawb xyuas qhov seem ntawm cov cov kais dej tsis tu ncua kom ntseeg tau tias tsis muaj dej xau.
Kev ntxuav thiab kev siv cov dej hauv pem teb yuav tsum tsis txhob tsis quav ntsej txog kev ntxuav cov plaub hau kom tiv thaiv kom tsis txhob muaj cov duab dej khov kho kom tiv thaiv tsw ntxhiab tsw taus xyuas kom meej cov dej ntws tawm .
Lub installation thiab kev hloov kho ntawm da dej hau thiab da dej yog qhov tseem ceeb thaum kho cov nplai, thiab ua kom cov dej ntws tawm zoo li qub thiab ua kom dej ntws tawm zoo li.
Tsis tas li ntawd, kev siv cov khoom siv hluav taws xob xws li cov phuam qhwv caj dab thiab kev cia siab los tiv thaiv nws lub zog txhua hnub, tsis txhob dai khoom hnyav.
Mastering cov kev ua haujlwm kom yog ntawm chav dej kho vajtse tsis tuaj yeem txhim kho lub neej siv, tab sis kuj tseem txuas ntxiv thiab nplij siab rau tsev neeg .
