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Ntau lub hom phiaj collapsible ua: kho qhov siab, lub teeb yuag, thiab yooj yim rau kev saib xyuas tom tsev
Cov lus piav qhia: qhia peb lub hom phiaj muaj ntau lub hom phiaj sib tsoo, tsim los muab kev nplij siab tshaj plaws thiab kev yooj yim rau cov tib neeg uas xav tau kev saib xyuas hauv tsev. Qhov no tsuas yog cov khoom siv kho mob tshwj xeeb tshwj xeeb rau nruab nrab thiab qis-kawg cov neeg siv khoom thoob plaws North America, Europe, Southeast Asia, thiab lwm thaj chaw. Nrog nws cov kev tsim kho tau, lub teeb yuag, thiab yooj yim sib dhos, lub rooj zaum no ua rau muaj kev ntxiv ntawm ib tsev neeg.
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Ntau yam 3-hauv-1 daim ntaub pua tsev tso quav rau cov neeg laus, cov poj niam cev xeeb tub, thiab kev saib xyuas postaterative
Cov lus piav qhia: qhia peb cov kev qhia ntau yam 3-hauv-1 chav tsev tso quav, ib qho khoom siv kho mob rau cov poj niam menyuam yaus, cov neeg cev xeeb tub, thiab cov neeg sawv cev. Lub rooj zaum tshiab no muaj kev daws teeb meem thiab txoj kev daws teeb meem ywj pheej rau lawv cov ntaub hoob nab thiab da dej. Nrog nws cov qauv tshwj xeeb thiab cov neeg siv-tus qauv tsim, nws caters mus rau nruab nrab thiab qis-kawg cov neeg siv khoom hauv North America, Europe, Southeast Asia, thiab dhau mus.
