Vim li cas qhov chaw rho tawm ntawm lub vending tshuab hauv qab no?
Qhov kev txiav txim ntawm cov neeg siv khoom khoov mus khaws cov khoom ntawm qhov chaw tos txais yog qhov tsis yooj yim heev tom qab tag nrho, yog li tom qab kev txhawb nqa thev naus laus zis, vending tshuab qauv nrog cov khoom xa tuaj hauv nruab nrab tshwm sim hauv khw. Txij li thaum qhov chaw nres nkoj xa khoom nyob hauv nruab nrab ntawm hom qauv no, nws feem ntau muaj lub luag haujlwm ntawm kev nqa lub platform thiab siv lub lifting los khaws cov khoom. Vim tias qhov khoom xa tuaj ruaj khov nyob rau hauv txoj kev no, qee cov khoom tawg yooj yim tuaj yeem muag, uas kuj yog qhov zoo ntawm cov qauv tshiab. Tau kawg, muaj qee qhov ntse khaws cov txee, cov txee rau tus kheej tsis tas yuav tsim lub chaw khaws khoom, ncaj qha luam theej duab code qhib qhov rooj mus yuav cov khoom koj xav tau.
Uas tau hais tias, vim yog tus nqi siab dua ntawm cov qauv tshiab, feem ntau ntawm cov qauv ntawm lub khw tseem yog cov qauv uas muag hauv qab ntawm lub khw. Los ntawm cov lus qhia saum toj no, txhua tus neeg yuav tsum nkag siab tias vim li cas feem ntau ntawm cov vending machines ntawm lub khw raug xa tawm hauv qab no.
