Kev tu cov kauj ruam quav
Khoom ntoo kauj ruam quav: Nws tsis yooj yim rau muab tso rau hauv qhov chaw ntub dej, thiab yuav tsum tau them nyiaj rau cov dej noo- pov thawj kom tsis txhob muaj kab mob thiab kev ua tsis ncaj ntawm cov ntoo.
Plastic Step Stool: Ua tib zoo siv nws, tsis txhob muab pov tseg, thiab zam cov menyuam yaus ua si nrog nws. Cov khoom siv yas yog qhov tsis yooj yim.
Hlau kauj ruam quav: Nco ntsoov xyuas seb cov ntsia hlau ntawm cov quav puas xoob, thiab ceev faj kom tsis txhob txaws cov khoom corrosive ntawm cov hlau ntawm cov quav kom tiv thaiv xeb. Tsis tu ncua xyuas seb cov txheej txheem ntawm cov hlau puas tau poob tawm thiab seb thaj chaw xeb puas tau nthuav dav.
Ntxuav cov kauj ruam quav
So nrog ib daim ntaub qhuav, lossis so lub qhov quav nrog dej, thiab sim tshem cov plua plav nrog cov ntaub qhuav rau cov quav hlau.
Ib kauj ruam quav yog ib lub foldable quav uas txuag chaw, yooj yim thiab ceev, thiab tuaj yeem nqa mus.
Ib kauj ruam cov quav yog cov quav quav uas txuag chaw, yooj yim thiab ceev, thiab tuaj yeem nqa mus. Cov quav quav (cov quav) yog ua los ntawm cov khoom ntsuab thiab ib puag ncig tus phooj ywg, tsis yog - tshuaj lom thiab tsis qab, thiab tuaj yeem siv nrog kev ntseeg siab. Cov quav yog tsim los ntawm scientific, nrog rau kev tiv thaiv - plam muaj nuj nqi, muaj zog compressive thiab load- bearing peev, thiab ruaj khov. Raws li cov ntaub ntawv sib txawv, nws tuaj yeem muab faib ua: khoom ntoo kauj ruam quav, yas kauj ruam quav, hlau kauj ruam quav.
Cov kauj ruam yas yog tsim los ntawm cov quav saum npoo thiab cov quav ceg. Kev sib txuas ntawm cov quav saum npoo thiab cov quav ceg yog hinged. Kev nyuaj siab ntawm lub rooj ntev zaum thiab nruab nrab ntawm qhov chaw hauv qab ntawm cov quav yog hinged los ntawm ob txoj hlua txuas. Cov qauv siv hluav taws xob muaj qhov zoo uas ob txhais ceg ntawm cov quav tuaj yeem muab tais thiab muab tso rau hauv qhov quav. Los ntawm sab nraud, nws tsuas yog cov quav saum npoo, uas yooj yim heev rau nqa. Tsis tas li ntawd, vim nws cov qauv tsim nyog, kev ua haujlwm zoo txhua yam thiab tus nqi qis.
Cov kauj ruam cov quav muaj lub rooj zaum peb sab thiab nws peb ceg sab saud yog txuas rau ntawm cov ces kaum ntawm lub rooj zaum. Ib ceg bracket txuas rau hauv qab ntawm txhua ceg ceg thiab muaj ib qho asymmetrically zoo li tus transverse qhov. AY-zoo li lub hauv paus txuas sib dhos tuav cov ceg taw ua ke. Qhov sib koom ua ke muaj qhov sib txawv tsis tu ncua uas tuaj yeem muab tso rau hauv asymmetrically zoo li tus transverse qhov ntawm ceg bracket thaum lub ceg bracket tig mus rau hauv thawj lub xeev. Cov ceg bracket tuaj yeem tig mus rau hauv lub xeev thib ob kom cov ceg sab saud tuaj yeem muab tso rau hauv cov ceg taw thiab nias tawm tsam lub rooj zaum ncig lossis flange nyob rau hauv ceg bracket. Ntxig tus ceg qis rau hauv cov ceg taw. Cov quav tuaj yeem folded los ntawm folding cov tawv brackets thiab folding ob txhais ceg mus rau hauv ib qho chaw sib luag
