Tsev Khaws Cov Khoom Siv Txhuam Hniav

- Apr 18, 2019-

Ntau lub tsev so cov neeg muas khoom feem ntau tsis tuaj yeem tsis muaj kev phom sij ntawm cov khoom lag luam hauv tsev so vim cov nqi ntawm cov khoom los yog cov ntaub ntawv ntawm cov khoom. Nyob rau ntawm qhov chaw, qhov nqi ntawm lub tsev so khoom siv, los yog ntawm lub tsev so khoom siv nyiaj, suav hais tias yog ib qho ncuav rau hauv lub ntsej muag, tab sis txawm tias ib yam khoom zoo nrog lub koob npe zoo muaj nqi tseem ceeb heev. Vim hais tias cov khoom no yog ib qho-yuav tsum muaj rau lub tsev so. Ua ib qho ntawm cov khoom lag luam hauv tsev so khoom pov tseg, nws yog tus txhuam hniav. Txawm tias tus txhuam hniav siv nyob rau hauv lub tsev so, ces tus txhuam hniav siv ntau lub tsev so uas tau ntiav tau mus txog qhov kev cai pej xeem, txawm dhau los. Tom qab ntawd, raws li ib lub tsev so, yuav ua li cas txhawm rau paub txhuam cov hmoov txhuam hniav tas li, yuav ua li cas thiaj ua rau cov neeg tuaj yeem ua tau zoo thiab ruaj ntseg?

Qhov tseeb, lub ntsiab ntawm cov txhuam hniav yog lub bristles thiab kov. Tam sim no, cov tshuaj txhuam hniav uas txhij txhua tam sim no nyob rau hauv lub khw muag khoom muaj xws li: shank, ntse hlau, nylon hlau, DuPont xaim. Qhov zoo ntawm qhov khoom yog qhov phem tshaj plaws ntawm lub soj caum, thiab lub zais yog qhov ntau tshaj nyob rau hauv lub lag luam uas siv rau cov chaw ntiav pw. Nylon thiab DuPont yog cov txheej txheem ntawm supermarkets thiab high-end tsev tos qhua. Qhov laj thawj yog vim li cas lub hnab khib nyiab ua tus brushless worst bristles ntawm kev ua lag luam yog tias lub softness tsis zoo, lub toughness phem dhau, cov deformation yooj yim, thiab cov pos hniav puas ntsoog.

Txawm li ntawd los, nws yog qhov nyuaj kom paub qhov txawv ntawm cov khoom ntawm lub bristles ntawm lub qhov muag liab qab. Peb tuaj yeem paub qhov txawv ntawm qhov yeeb yam uas lub bristles tau yooj yim deformed. Tso kom txhuam cov txhuam hniav txhuam cov plaub hau. Yog hais tias tus bristles tsis tuaj yeem rov qab rau cov yas, ces tus txhuam hniav yog lub bristles. Nyob rau hauv kev sib piv, vim hais tias tus nqi ntawm qhov kov hlau yog txawv ntawm qhov ntawm peb lub bristles, cov tuam ntxhab los yog cov tswv lag luam nrog cov ntim hauv kev ua lag luam tseem nyob rau hauv qhov chaw khiav dej num tas mus li.

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