Txoj kev tsav tsheb tsis zoo yog qhov tseem ceeb tshaj plaws ua rau muaj kev puas tsuaj raucov roj hmab khiavYog li ntawd, txhawm rau tiv thaiv cov roj hmab thiab txuas ntxiv lawv lub neej kev pabcuam, cov neeg siv yuav tsum tau them sai sai rau cov kev ceev faj hauv qab no thaum siv lub tshuab:

(1) Kev taug kev hnyav dhau yog txwv tsis pub. Kev taug kev hnyav dhau yuav ua rau muaj kev ntxhov siab ntxivcompact track loader track, ua kom cov hlau tseem ceeb hnav sai dua, thiab thaum muaj mob hnyav, ua rau cov hlau tseem ceeb tawg thiab cov hlau hlua tawg.

(2) Tsis txhob tig ntse thaum taug kev. Kev tig ntse tuaj yeem ua rau lub log tawg thiab ua rau txoj kev puas tsuaj, thiab tseem tuaj yeem ua rau lub log qhia lossis txoj kev qhia tiv thaiv kev tawg sib tsoo nrog cov hlau tseem ceeb, ua rau cov hlau tseem ceeb poob.

(3) Txwv tsis pub nce ntaiv, vim qhov no yuav ua rau muaj kab nrib pleb ntawm cov hauv paus ntawm tus qauv thiab hauv cov xwm txheej hnyav, ua rau txoj hlua hlau tawg.

(4) Txwv tsis pub txhuam thiab taug kev ntawm ntug ntawm kauj ruam, txwv tsis pub nws yuav ua rau cuam tshuam rau lub cev tom qab ntug ntawm txoj kev dov tawm, ua rau khawb thiab txiav ntawm ntug ntawm txoj kev.

(5) Txwv tsis pub taug kev ntawm tus choj, uas yog ib qho ntawm cov laj thawj tseem ceeb rau kev puas tsuaj ntawm cov qauv thiab cov hlau tseem ceeb tawg.

(6) Txwv tsis pub khoov thiab taug kev ntawm qhov chaw siab (Daim Duab 10), vim qhov no yuav ua rau lub log ntawm txoj kev puas tsuaj vim yog kev sib cais.

(7) Xyuas kom tseeb tias lub log tsav, lub log qhia, thiab lub log txhawb nqa puas hnav tsis tu ncua. Cov log tsav uas hnav hnyav heev tuaj yeem txuas cov hlau tseem ceeb thiab ua rau cov hlau tseem ceeb puas tsis zoo. Cov log tsav no yuav tsum tau hloov tam sim ntawd.

(8) Cov roj hmab txoj kev yuav tsum tau saib xyuas thiab ntxuav tas li tom qab siv hauv cov chaw uas muaj cov av noo ntau dhau thiab cov tshuaj lom neeg ya. Txwv tsis pub, nws yuav ua rau kom hnav thiab xeb sai dua.cov roj hmab sib dua.