Yooj yim rau siv:lub plunger ntawm no syringe haum zoo, yooj yim rau thawb thiab rub, yuav tsis detached
Curved taub:ua haujlwm zoo kom nkag mus rau hauv qhov chaw me me, tuaj yeem ncav cuag qhov chaw uas koj cov txhuam hniav thiab txhuam hniav tsis tuaj yeem ncav cuag
Nrog ntsuas scale:pob tshab lub cev nrog ntsuas ntsuas, koj tuaj yeem pom lub peev xwm ntawm cov kua hauv
Kev siv dav:nplua rau ntxuav hniav tom qab kev phais qhov ncauj, cov cuab yeej siv rau kev txiav thiab khawb thaum koj mus ncig, kuj tseem haum rau cov kua nplaum txhaws thaum ua cov khoom siv tes ua, los yog pub mis rau koj cov tsiaj.
Pob muaj xws li:8 pob tag nrho, tuaj yeem siv sib txawv rau kev siv sib txawv, lossis koj tuaj yeem faib qee yam rau koj tsev neeg lossis cov phooj ywg uas xav tau.
