Tsev thiab Tsev Neeg, Accessories
Electric mem hluav sharpeners - chaw ua hauj lwm pab
Ua ntej invented lub mem hluav sharpener, cwj mem qhuav undermined riam. Tus tshiab tsim muaj tau zoo heev yooj yim zog cov neeg ua hauj lwm. Nrog nws zoo li tau ua ntau muaj kev ruaj ntseg thiab yooj yim.
Variations rau ib lub ntsiab
Sharpeners yog tag nrho cov xaiv ntawm cov duab thiab cov xim. Tsuas tsis txhob siv lub manufacturers thiab designers rau kos sai sai rau lawv cov khoom. Tab sis lub ntsiab sib txawv nruab nrab ntawm lawv - lub hom mechanism. Niaj hnub no, muaj peb qho kev xaiv: ib tug yooj yim los yog phau ntawv (lub ntsiab ntau yam ntawm lub chaw ua hauj lwm ntawm lub lag luam), neeg kho tshuab thiab hluav taws xob mem hluav sharpener.
Ua hauj lwm thiab saib zoo
Electric sharpener rau cwj mem qhuav ua lub neej nyob rau hauv lub chaw ua hauj lwm, ib txhia tsev thiab tsev kawm ntawv yog yooj yim npaum li thaum nws los txog rau sharpening cwj mem qhuav. Ua hauj lwm yuav tsum ua nyob rau hauv ib tug ntau luv luv lub sij hawm ntawm lub sij hawm. Lawv ua hauj lwm los ntawm lub network roj teeb, thiab txawm ib tug USB chaw nres nkoj. Lawv undoubted kom zoo dua - muaj peev xwm hov ib tug cwj mem zoo yam txoj kab uas hla.
Los ntawm cov keeb kwm ntawm ...
Tus thawj ntaus ntawv rau sharpening ntawm tus cwj mem qhuav tau patented los ntawm qhov Fabkis mathematician Bernard Lassimonom nyob rau hauv 1828 (Fabkis patent № 2444). Thiab xwb nyob rau hauv 1917 lub chaw ua hauj lwm tau ua ntej nkag tau hluav taws xob mem hluav sharpeners. American txawj sau ntawv Devid Riz txawm sau tau ib phau ntawv, "Proust ntawm sharpeners", nws cov ntsiab lus yog muaj nyob rau hauv txoj kev xav ntawm yuav ua li cas ua ib lub lag luam ntawm sharpening cwj mem qhuav. Ib tug tag nrho tshooj nyob rau hauv phau ntawv devoted mus rau phab ntsa fais sharpener. Nws hloov tawm hais tias nyob rau hauv American cov chav kawm ntawv twb thiab yog.
Xaiv sharpener
Los ntawm txhais tes tsim yog zoo meej rau ib tug me nyuam. Nws yog muaj kev ruaj ntseg, feem ntau kaj cov me nyuam tsim. Rau lub chaw ua hauj lwm, ntawm chav kawm, preferable fais mem hluav sharpeners.
Thaum yuav khoom yuav tsum them sai sai mus rau lub hniav. Nws yuav tsum muaj check thiab siab zoo, qhov zoo tshaj plaws cov ntaub ntawv uas - high-carbon hlau. Tsis-zoo tuaj yog cov luv luv-lived. Lub xub ntiag ntawm tshwj xeeb ntim rau tej daim - ib qho tseem ceeb kom meej. Tsis pov tseg ntim tsim ib co yooj yim nyob rau hauv kev siv. Nyob rau hauv hluav taws xob sharpeners yuav tsum xyuam xim rau cov tau overheating thiab cov suab nrov thaum lub sij hawm lub lag luam. Ib co ua qauv emit ib tug es tsis kaj siab nrov nrov, uas yog tsis tsim nyog nyob rau hauv lub chaw ua hauj lwm. Ntseeg xwb qhov zoo tshaj plaws manufacturers. Thiab ces tus sharpener yog tsis yog ib tug trinket rau lub desktop thiab ib tug zoo pab.
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