Cov txheej txheem:
Video: Dab tsi yog qee qhov kev phom sij ntawm kev khawb?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Cov phom sij thiab txaus ntshai feem ntau yog:
Cov neeg thiab tsheb poob rau hauv kev khawb . Cov undermining ntawm cov qauv nyob ze ua rau lawv tawg mus rau hauv kev khawb . Kev puas tsuaj rau cov kev pabcuam hauv av thaum lub sijhawm khawb av ua hauj lwm ua rau hluav taws xob, tawg, roj khiav, dej nyab thiab lwm yam Ingress ntawm dej ua rau dej nyab.
Ib yam li ntawd ib tug yuav nug, dab tsi yog qhov txaus ntshai tshaj plaws nrog kev khawb?
Qhov tsua-ins ua rau muaj kev pheej hmoo loj tshaj plaws hauv kev ua haujlwm trenching thiab excavation, thiab muaj feem ntau dua li lwm yam kev khawb av. xwm txheej ua rau cov neeg ua haujlwm tuag. Lwm yam kev phom sij muaj xws li ntog, ntog loads, cov huab cua txaus ntshai, thiab cov xwm txheej cuam tshuam nrog cov khoom siv txawb.
ua li cas koj ua excavations nyab xeeb? 10 Cov Lus Qhia Txog Kev Nyab Xeeb Kev Nyab Xeeb
- Tshawb xyuas trench txhua hnub ua ntej pib ua haujlwm.
- Tshawb xyuas huab cua ua ntej ua haujlwm, nco ntsoov los nag thiab cua daj cua dub.
- Khaws cov cuab yeej hnyav kom deb ntawm trench ntug.
- Nco ntsoov qhov chaw ntawm cov khoom siv hluav taws xob hauv av.
- Yuav tsum hnav cov khoom tiv thaiv kom raug.
- Tsis txhob ua haujlwm hauv qab cov khoom thauj.
Ib yam li ntawd, dab tsi yog qee qhov txaus ntshai ntawm excavations quizlet?
Qhov txaus ntshai ntawm excavations los ntawm tus muaj peev xwm ntawm qhov tsua-ins, ntxiv rau tus muaj peev xwm ntawm tus tsis muaj oxygen (asphyxiation), hluav taws kub, kev sib tsoo ntawm cov kab hluav taws xob hauv av (xws li roj, hluav taws xob), kev sib tsoo vim txav cov tshuab nyob ze tus ntug cov excavations , nqus tau cov khoom lom, thiab
Yuav ua li cas koj nres ib qho excavation los ntawm collapsing?
Khaws qhov chaw kom huv si
- Txav cov ntaub ntawv excavation yam tsawg kawg 2 feet deb ntawm lub trench.
- Yog tias tsis muaj chaw, tshem cov ntaub ntawv tawm ntawm qhov chaw.
- Tshem tawm cov neeg ua haujlwm ntawm ntug ntawm lub trench uas tsis ua haujlwm rau nws.
- Khaws tag nrho cov khoom siv kom deb ntawm qhov chaw kom tiv thaiv qhov tsua-ins thiab blunt quab yuam raug mob.
Pom zoo:
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Ua ib qho kev tshuaj xyuas phom sij. Npaj ib daim ntawv teev cov kauj ruam hauv cov txheej txheem uas muaj teeb meem loj tshwm sim thiab piav qhia txog kev tswj xyuas. Kev tshuaj xyuas phom sij yog txheej txheem siv los ntawm pab pawg HACCP txhawm rau txiav txim siab qhov xwm txheej uas tuaj yeem ua rau muaj kev pheej hmoo noj qab haus huv tseem ceeb rau cov neeg siv khoom. HACCP siv rau zaub mov kev nyab xeeb nkaus xwb, tsis yog zaub mov zoo
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