Txoj kev ntsuas kev hnov qab: lub hnab tsis muaj tshuaj lom neeg tsis yog ib puag ncig yog mis nyuj dawb, translucent, lossis tsis muaj xim thiab pob tshab, hloov tau, tes-lubricated, qhov saum npoo zoo li muaj wax; toxic non-environmental hnab xim turbid los yog daj ntseg daj, xav tias nplaum.
Txoj kev tshawb nrhiav dej: Muab lub hnab uas tsis yog ib puag ncig hauv dej thiab nias rau hauv qab dej. Lub hnab uas tsis yog-tshuaj lom tsis yog ib puag ncig muaj qhov tshwj xeeb me me thiab tuaj yeem nce mus rau saum npoo. Lub hnab ntim tshuaj lom neeg tsis yog ib puag ncig hnyav thiab dab dej.
Jitter detection method: Muab lub hnab uas tsis yog-ib puag ncig nrog ib txhais tes thiab co nws nrog quab yuam. Tus neeg uas ua rau lub suab nrov tsis muaj tshuaj lom; lub suab yog tshuaj lom thiab lom.
Txoj kev ntsuas hluav taws: tsis muaj tshuaj lom polyethylene lub hnab uas tsis yog ib puag ncig yog nplaim taws, nplaim taws yog xiav, lub siab kawg yog daj, nws yog dripping zoo li lub tswm ciab tsim kua muag thaum hlawv, muaj paraffin tsw, haus luam yeeb tsawg; Cov tshuaj lom PVC tsis yog ib puag ncig lub hnab tsis yog nplaim taws, Nws raug tua thaum nws tawm hauv hluav taws, nplaim taws daj, hauv qab yog ntsuab, softening tuaj yeem rub tau, thiab muaj ntxhiab tsw ntxhiab ntawm hydrochloric acid.
