Cov qauv tau tawg ntawm lub qhov rooj tiv thaiv tub sab (nug panpan li cas lub pob khawm ntawm cov tub sab

Lub pob khawm ntawm pologpan los tiv thaiv cov pob tawb ua si lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev ruaj ntseg thiab ruaj ntseg ntawm lub qhov rooj. Lub pob khawm yog cov tivthaiv uas tso cai rau lub qhov rooj tig los yog viav vias qhib thiab kaw. Nyob rau hauv cov ntaub ntawv ntawm cov tiv thaiv tub sab, pob khawm yuav tsum yog tsim nyob rau hauv ib txoj kev uas tiv thaiv kev nkag tsis tau thiab ua phem.

Nws muaj ob txoj hauv kev siv hinges siv hauv kev tiv thaiv tub sab: lub teeb khawm thiab hinges tsaus. Lub teeb hinges tau nthuav tawm thiab tuaj yeem nkag tau yooj yim los ntawm sab nraud, ua rau lawv muaj kev puas tsuaj rau kev puas tsuaj los yog ua phem. Ntawm qhov tod tes, lub pob khaus tsaus nti tau zais thiab tsis tuaj yeem kov los ntawm sab nraud. Qhov no ntxiv ib txheej ntxiv ntawm kev ruaj ntseg vim tias nws tiv thaiv cov neeg txhawb nqa los ntawm kev nkag mus rau pob khawm thiab sim ua kom nws.

Txawm li cas los xij, zais hinges muaj lub drawback. Vim lawv tus qauv tsim, lub qhov rooj tsuas tuaj yeem qhib tau ntau tshaj ntawm 90 degrees. Qhib lub qhov rooj txuas ntxiv tshaj qhov uas tuaj yeem ua rau lub pob khawm puas. Qhov kev txwv no yog kev lag luam tawm rau kev ruaj ntseg txhim kho. Ntawm qhov tod tes, qhib hinges tso cai rau tag nrho cov 180-kev qhib tag nrho ntawm 180-kev yooj yim dua tab sis cuam tshuam rau kev nyab xeeb.

Qhov kev xaiv ntawm cov khawm khawm rau cov kev tiv thaiv tub sab yog nyob ntawm theem kev nyab xeeb yuav tsum muaj. High-ov anti-tub sab lub qhov rooj, cais raws li chav kawm A, feem ntau siv cov khawm qhib. Txawm li cas los xij, kev ntsuas tau raug coj los xyuas kom meej tias txawm tias lub pob khawm tawg, lub qhov rooj tsis tuaj yeem qhib. Qhov no tuaj yeem koom nrog cov xauv ntxiv, cov thav duab ntxiv, lossis lwm yam kev ruaj ntseg.

Feem ntau, thaj chaw tiv thaiv tub sab nyiag siv zais khawm, uas muaj kev sib npaug ntawm kev ruaj ntseg thiab kev yooj yim. Qhov zais khawm muab cov tsos huv thiab muaj cov tsos thaum tswj kev tiv thaiv kev tiv thaiv kev tiv thaiv kev tiv thaiv tsis tau cai.

Zuag qhia tag nrho, cov pob khawm sib dhos ntawm lub qhov rooj tiv thaiv tub sab yog qhov tseem ceeb ntawm kev ua kom muaj kev ruaj ntseg thiab ua haujlwm ntawm lub qhov rooj. Nws txiav txim siab qib kev nkag mus thiab yooj yim thaum tseem muaj kev tiv thaiv kev ua phem thiab tawg-ins. Los ntawm kev xaiv cov qauv ntaus nrig tsim nyog, cov tswv tsev tuaj yeem txhim kho kev ruaj ntseg ntawm lawv thaj chaw thiab tiv thaiv lawv cov cuab yeej.