Cov txheej txheem thiab cov kev daws teeb meem los tswj cov folding sab nraud yog raws li hauv qab no.
①Ua kom zoo ntawm cov pob zeb. Yuav tsum tsis muaj cov npuas subcutaneous ntawm qhov chaw ntawm daim tawv nqaij, thiab cov tawv nqaij txias, qhov muag, thiab cov kab nrib pleb yuav tsum tau ntxuav, thiab ntug ntawm qhov zawj tom qab tshem tawm yuav tsum du.
② Nws yuav tsum tau hais tias qhov kev txiav txim siab ntawm qhov piercer yob tsis tuaj yeem sib sib zog nqus los yog ntxhab heev, thiab cov npoo ntawm qhov ntsuas yuav tsum du.
③ Tsim nyog kho tus qauv dhau ntawm lub tshuab tho thiab dov zeb. Yog hais tias lub nto ntawm lub yob yog hnyav hnyav, nws yuav tsum tau hloov nyob rau hauv lub sij hawm.