Raws li ntau yam kev lag luam tau pib npaj cov khoom lag luam raws li cov kev xav tau, kev ua lag luam ntawm packer yog loj dua thiab loj dua, yog li ntau lub tuam txhab tau koom nrog qhov kev lag luam no. Muaj ntau cov ntawv txheeb nrog cov nqi sib txawv thiab cov qauv ntawm cov lag luam. Tus nqi ntau los ntawm ob peb txhiab yuan mus txog kaum tawm txhiab txhiab yuan. Tus nqi sib txawv yog qhov loj, yog li qhov tsis zoo yog tias tus nqi pheej yig? Ua ntej tshaj plaws, tus nqi siab ntim khoom yuav muaj tseeb nws muaj qhov zoo. Piv txwv li, qhov kev ntim khoom hluav taws xob ze li ntawm 20000 lub thawv fais fab txawv teb yuav sai dua li ntawm ntau dua 2000 fais pob hluav taws xob.
Yog li, puas yog qhov tseeb tias tus nqi pheej yig dua, tus nqi zoo dua thiab kev siv zoo dua? Qhov tseeb, qhov no tsis yog. Txhua qhov kev lag luam muaj nws tus kheej lub ntim ntim. Hauv qee qhov kev lag luam, tsuas yog ob peb lub pob khoom yuav tsum tau ntim txhua txhua hnub, thiab qhov ntau zaus ntawm kev siv pob ntawv yog tsawg heev. Yog li nws tsis tsim nyog yuav ib lub ntim nyiaj nrog tus nqi ntawm kaum tawm txhiab tus. Yog li cov tub txawg yuav nug cov neeg siv txog cov theem pib ntawm cov neeg yuav khoom, thiab lawv yuav nug cov neeg siv khoom txog khoom lag luam.
Tsis tas li ntawd, qee qhov kev lag luam tshwj xeeb yuav pom zoo qee lub tshuab tshwj xeeb, xws li kev lag luam cib yuav pom zoo pneumatic baler, dd19a hluav taws xob baler thiab import hluav taws xob baler, vim hais tias qhov tshwj xeeb ntawm kev lag luam no: kev siv ib puag ncig hmoov av ntau dua, kev ua haujlwm zaus yog siab dua, uas ua rau muaj qhov yuav tsum tau ntau dua rau cov zais zis hauv qhov kev lag luam no, xws li qee qhov sib npaug hauv tsev nrog cov nqi qis Peb cov hluav taws xob baler tsis tsim nyog rau kev lag luam no.
Qhov zoo ntawm lub tshuab hluav taws xob sib tw yog qhov tseem ceeb tshaj tus nqi, vim nws tsis yooj yim rau kev rov qab siv lub tshuab nrog tus nqi qis, thiab tus nqi kho yuav tsum siab. Tab sis muaj' s tsis xav yuav xwb yuav tus nqi siab. Ntev npaum li tsim nyog rau lawv tus kheej kev lag luam, tus nqi tsis siab, kuj tseem yog qhov yooj yim siv