Cov kauj hlau feem ntau yog ntim raws li cov qauv hauv tebchaws thiab qhov xav tau ntawm daim ntawv cog lus cog lus. Feem ntau, cov ntsiab lus ntawm cov pob muaj raws li nram no (tshwj tsis yog tshwj xeeb hauv daim ntawv cog lus):
1) ntu hlau nrog txoj kab uas hla lossis tuab tsawg dua 30 hli thiab phaj nyias nrog tuab tsawg dua 4mm yuav tsum tau xa cov khoom xa tawm. Ib pob yuav tsum muaj tib tus lej, thiab txhua pob khoom yuav tsum muaj tsawg kawg ob daim paib. Cov phiajcim yuav tsum tau qhia cov npe cov ntaub ntawv xws li lub npe ntawm cov chaw tsim khoom, tus lej steel, cov tshuab ua hluav taws xob (cov roj tank), thiab cov lus qhia tshwj xeeb.
2) Cov ceg tawv nrog txoj kab uas hla lossis tuab sib npaug los yog ntau dua 30 hli tuaj yeem nqa hauv cov pob lossis tsis. Rau cov ntawv txuas ntawm cov hlau, tsawg kawg ob daim phiajcim yuav tsum tau muab dai rau ntawm txhua lub pob, thiab lub thwj cim steel tsis tas yuav txhaws. Rau txhav ntawm cov hlau tsis muaj paib, cov kab sab saum toj los yog steel phaj ntawm txhua lub nras yuav tsum ntaus cim lossis cim. Cov qib hlau uas tsis tau muab tso rau hauv cov pob yuav tsum tau khi ruaj ruaj rau ntawm txhua daim hlau lossis hlau steel.
3) Tom qab cov hlau tau ntim (lossis tsis muab cov khoom ntim), nws yuav tsum tau pleev xim kom raug raws li tus qauv tseem ceeb.
4) Rau cov xov hlau xa tawm hauv cov pob, txhua pob yuav tsum muab khi nrog cov kav hlau nyob hauv tsis pub tsawg tshaj ob qhov chaw.
5) Qhov hnyav ntawm txhua pob yuav tsum tsis pub tshaj 80kg rau kev tuav thiab thauj khoom, thiab 5t rau cov neeg kho tshuab thau khoom thiab thau khoom. Nrog kev pom zoo ntawm tus neeg thov khoom, phau ntawv nqa khoom thiab thau khoom tawm kuj tseem yuav tsis pub ntau tshaj 130kg ib pob, thiab cov neeg kho tshuab thauj khoom thiab thau tawm yuav nyob rau ib pob tsis pub tshaj 10t
