Txhuam hniav: Electric zoo dua li ib txwm?

Qhov tseeb yog hais tias lub hom txhuam hniav tsis yog ib qho tseem ceeb. Nws yog tag nrho ib tug teeb meem ntawm saj thiab zoo tu cev. Seb zoo tib yam los yog hluav taws xob txhuam hniav, peb yuav tsum siv kev kho hniav pas dig hniav, tshuaj yaug qhov ncauj thiab tsis nco ib tug mus ntsib mus rau tus kws kho hniav txhua txhua rau lub hlis. Thiab yog dab tsi hom ntawm txhuam nws nkawd ntau txaus nyiam, nws nyob ntawm peb tus, peb cov hniav thiab peb piv rau niaj hnub siv tshuab.

Electric txhuam hniav nyob rau hauv lub US nyob rau hauv lub 60s ntawm lub xeem caug xyoo. Niaj hnub no, muaj cov dozens ntawm ntau hom ntawm hluav taws xob txhuam nrog suav tsis tau variations ancillary zog, nrog roj teeb rechargeable nrog ib tug compact tsim.

Electric txhuam hniav nrog ib zaus ntawm 3000 mus 7000 tus cwj nrag ib feeb analogous taw uas feem ntau yog ua ob txhais tes. Cov plaub mos mos ntawm tus txhuam, los yog yam, los yog mus rov qab thiab tawm yuav tshem tawm kev kho hniav cov quav hniav. Txhuam hniav nrog ib zaus ntawm los ntawm 30,000 rau 40,000 oscillations ib feeb plaub mos mos ceev zog ze rau lub suab tshaj tawm.

Txawm lub pas txhuam hniav, nws thiaj li lawv lub hom phiaj - qhov kev tshem tawm ntawm quav hniav thiab kev tswj cov kev huv thiab kev kho mob ntawm koj cov hniav thiab cov pos hniav. Yuav kom tau ib tug zoo lub tswv yim ntawm yuav ua li cas peb txhuam hniav qub txhuam hniav, koj muaj peev xwm coj qhov sib npaug ntawm txog 300 tus cwj nrag ib feeb - thiaj li hais tias peb txhuam hniav kom zoo. Thaum pom zoo ob feeb ntawm tu peb ua yog hais txog 600 taw, uas yog npaum li cas tsawg tshaj li uas koj tau txais los ntawm ib tug hluav taws xob txhuam hniav.

Qhov zoo ntawm hluav taws xob pas txhuam hniav
Ob peb cov kev tshawb fawb tau qhia tias fais pas txhuam hniav tshem tawm cov quav hniav zoo. Tab sis qhov no tsis txhais hais tias yog hais tias peb siv ib txwm txhuam kom zoo, nws yuav ua tsis tau raws li zoo. Electric pas txhuam hniav yuav yooj yim siv, tshwj xeeb tshaj yog rau cov neeg uas muaj teeb meem nrog cov dawb zog ntawm tes (piv txwv li, nyob rau hauv cov ntaub ntawv ntawm kev mob caj dab) vim hais tias lawv tsis yuav tsum tau tej kev tswj kev siv zog. Yuav ua li cas koj yuav tsum tsis txhob ua lub "ua hauj lwm" tu, txhawb kom peb txhuam lawv cov hniav tsis tu ncua.

Lub tsuas txheeb ze disadvantage ntawm hluav taws xob pas txhuam hniav yog lawv cov nqi. Tsis muaj teeb meem dab tsi zoo ntawm tus pas txhuam hniav uas koj xaiv cov txheej txheem kev tu hniav yog ib yam uas tseem ceeb heev tseem ceeb nyob rau hauv thiaj li yuav ua tau noj tau. Koj yuav tsum tau txhuam koj cov hniav tsawg kawg yog ob zaug ib hnub twg, tsawg kawg yog ob feeb txhua txhua tag kis sawv ntxov thiab yav tsaus ntuj.

Zoo yog ib qho tseem ceeb raws li kom muaj nuj nqis thaum nws los txog rau tu. Nws yog zoo dua rau xa tus pas txhuam hniav nyob rau ntawm ib kaum sab xis ntawm 45 degrees los ntawm cov pos hniav kab thiab cov kaus hniav. Nws yog preferable siv ib tug mos mos bristle txhuam thiab txhuam koj cov hniav nrog maj taw. Peb yuav tsum ceev faj tsis txhob tshiav ntev ntev los yog ib qho nyuaj heev. Peb yuav tsum tau kom paub tseeb tias peb ntxuav txhua txhua hniav thiab txhua txhua crevice.