1. Kub tsis kam, hluav taws kub retardant, zoo nkauj thiab ruaj khov.
2. Kev xaiv cov khoom zoo, txhim khu kev qha, muaj kev nyab xeeb thiab ruaj khov, poob thiab cuam tshuam tsis kam.
Siv cov txheej txheem:
1. Khiav cov xov hlau hla lub hau thiab lub kaw lus sib khi ua ke
2. Tshem daim tawv nqaij sab nraud 20.5 hli, tseem tshuav 7 hli hlau tiv thaiv, ntxig lub nplhaib sab hauv, hlau tiv thaiv kaw lub nplhaib sab hauv, ntxig lub nplhaib sab nraud thiab rivet7.5 hli, tshem daim tawv nqaij sab hauv 5 hli thiab rivet.
3. Muab xov hlau ntsia rau hauv lub cev tseem ceeb.
4. Nruab ib lub khoom kaw thiab lub hau
Siv dav hauv: lub cev muaj zog tsheb tshiab. Kev tswj hwm hluav taws xob, roj teeb PAK, lub thawv faib hluav taws xob siab, thiab lwm yam
Siv rau AC qeeb them input, cua txias, roj twj, hluav taws xob cua sov thiab lwm yam khoom siv pabcuam rau cov tsheb fais fab tshiab.
Peb txuas ntxiv siv lub hauv paus ntsiab lus ntawm "kev tsim kho tshiab coj kev vam meej, qhov zoo siab ua kom muaj sia nyob, kev muag khoom txiav txim siab qhov zoo dua". Raws li kev thov ntawm kev ua lag luam, hauv kev sib tw ua lag luam nrog cov khoom zoo heev tshwj xeeb, los muab cov neeg siv khoom nrog cov khoom tiav thiab zoo heev, cia lawv ua tus khub tseem ceeb, los muab cov neeg siv khoom thoob ntiaj teb nrog cov kev daws teeb meem zoo ntawm cov nqi sib tw, peb cov ntim khoom xa tawm loj hlob txhua xyoo. Peb muaj peev xwm qhia koj cov khoom zoo. Peb yuav txuas ntxiv siv zog rau qhov zoo tshaj plaws thiab muab cov khoom zoo uas tshaj qhov kev cia siab ntawm cov neeg siv khoom.
Yog tias koj muaj lus nug lossis xav yuav thawj zaug, thov tsis txhob tos hu rau peb.