Txawm hais tias tus Blackboard lossis Whiteboard yog "zoo dua" nyob ntawm cov kev xav tau thiab kev siv tus kheej}}}}}}}}}
1.} sau ntawv thiab lwv kev
Daim kas dan
Sau cov cuab yeej: Siv chalk, uas muaj ib txwm muaj, tactile xav . chalk tuaj yeem tsim cov kab thuv los yog cov kab hiab nyob ntawm siab}}
Plua plav hmoov av: Chalk plua plav tuaj yeem yog teeb meem, tshwj xeeb tshaj yog rau cov neeg uas muaj kev ua xua lossis tsis muaj qhov cua tsis zoo {}}
Ywg: Yuav tsum muaj daim ntaub ntub dej los yog txhuam .} Cov ntoo tawv ntoo yuav tawm mus nyob ib zaug, cuam tshuam rau qhov pom kev zoo siab, cuam tshuam.
Tus khaub ncaws dawb
Sau cov cuab yeej: Siv cov cim qhuav-lwv qhuav, uas tuaj nyob rau ntau yam xim thiab cov lus qhia thiab cov cim ua kom zoo yog tias tsis capped kom zoo.
Tsis muaj hmoov av: Marker number case yog hmoov av dawb, ua rau nws ntau hygienic .
Ywg: Yooj yim so kom huv nrog ib daim ntawv qhuav, txawm tias dab, tsaus muag 残留 cim) tuaj yeem tshwm sim nrog kev siv ntau lossis tsawg heev.
{{0 {}} visibility thiab xim sib piv
Daim kas dan
Xim Txheej Txheem: Tsoos dub lossis tsaus ntsuab saum npoo av nrog chalk dawb nrog qhov sib piv siab uas yooj yim pom los ntawm qhov deb .
Teeb pom kev zoo rhiab: Tsawg dua kev cuam tshuam los ntawm kev ci ntsa iab los ntawm cov teeb nyiaj siv ua haujlwm, uas yog qhov tsaus ntuj saum npoo av lub teeb .
Tus khaub ncaws dawb
Xim Txheej Txheem: Cov xim dawb nrog cov cim xim, uas tuaj yeem pom kev pom ntau ntxiv rau kev nthuav qhia lossis cov haujlwm muaj tswv yim.
Saib teeb meem: Glossy Cov Neeg Dawb Huv WhiteBalls yuav cuam tshuam txog teeb pom kev zoo, ua rau pom kev pom muaj teeb meem lossis nyob ze Windows .
3. durability thiab txij nkawm
Daim kas dan
Khoom: Feem ntau ua los ntawm slate, porcelain, lossis pleev xim rau ntoo {{}}} decades (kav ntev thiab kim}
Kho: Yuav tsum muaj lub caij nyoog ua ntu zus (waxing) los tiv thaiv chalk tsim {{}}}} packding .
Tus khaub ncaws dawb
Khoom: Feem ntau ua los ntawm Melamine, Plooj (cov hlau pleev xim {}
Kho: Yooj yim los ntxuav cov tshuaj ntxuav me .}}}}}} Tsis txhob siv cov khoom siv abrasive, uas tuaj yeem ua kev puas tsuaj rau saum npoo.
4. tus nqi thiab kev teeb tsa
Daim kas dan
Tus nqi pib: Slate Blackboards yog kim, Thaum pleev xim pleev xim dub yog cov nqi pheej yig dua .
Kev muab cia: Cov ntaub ntawv hnyav tuaj yeem xav tau kev txhim kho kev ua haujlwm, tshwj xeeb tshaj yog rau qhov ntau thiab tsawg rau qhov loj.
Tus khaub ncaws dawb
Tus nqi pib: Ranges los ntawm kev siv nyiaj-ua phooj ywg (melamine) rau high-kawg (porcelain) .
Kev muab cia: Sib dua thiab yooj yim dua rau nruab, nrog ntau txoj kev xaiv los yog phab ntsa-mounted muaj .
5. Siv cov xwm txheej uas muaj feem xyuam
Daim kas dan
Zoo tshaj plaws rau:
Cov chav kawm ib txwm muaj lossis cov vaj lug taw uas muaj qhov siab tsis sib haum xeeb thiab ntev ntev yog xav tau .
Cov chaw uas ua kom pom qhov ua ntej, kev sau ua tech tsawg (e ., cov chav txuj ci, cov chaw vintage) {}}
Kev txwv: Tsawg dua haum rau nquag xim-coding lossis digital sib xyaw ua ke .
Tus khaub ncaws dawb
Zoo tshaj plaws rau:
Chaw ua haujlwm, cov chav sib tham, lossis cov chaw sib koom ua ke uas xav tau yooj yim, thiab yooj yim erasing.
Cov chav kawm niaj hnub nrog cov txheej txheem multimedia (qee cov neeg dawb huv tau sib haum nrog cov thev naus laus zis).
Qhov Zoo: Zoo dua rau lub hlwb, pom kev pom, lossis sau ntawv ib ntus .
6.}} ib puag ncig thiab kev txiav txim siab noj qab haus huv
Daim kas dan: Chalk plua plav tuaj yeem yog qhov tsis sib xyaw, thiab cov chaltalt ib txwm muaj tab sis tsis siv} kev xaiv eco zoo .
Tus khaub ncaws dawb: Cov cim cim yuav muaj cov khoom sib xyaw uas tsis muaj zog (vocs), tab sis cov cim tsis muaj ntxhiab tsw lossis cov cim tsis muaj ntxhiab cuam pab txhawb nqa cov khib nyiab yas {}}
7. kev sib xyaw digital
Daim kas dan: Feem ntau yog cov cuab yeej pheej yig, txawm hais tias qee cov blackboard niaj hnub tuaj yeem muaj cov chaw sib nqus {}}
Tus khaub ncaws dawb: Ntau tus qauv tau sib xws nrog cov khoom siv digital (e {{} g . {{{.
Xaus: Qhov twg los xaiv?
Xaiv ib blackboard yog tias:
Koj ua ntej siab sib txawv, durability, thiab ib txwm muaj kev kawm .
Koj xav tau cov kev daws teeb meem pheej yig rau kev siv ntev (E ., cov ntawv teev kev kawm tas mus li) {4}
Tus nqi yog qhov tseem ceeb tshaj plaws, thiab koj xav tau nyiaj txiag-tus phooj ywg xaiv (pleev xim rau daim duab dub).
Xaiv cov whwoard yog tias:
Koj tus nqi yooj yim, yooj yim laig, thiab xim-coding rau kev sib koom tes lossis nthuav qhia .
Koj xav tau plua plav-dawb, kev daws teeb meem .
Koj xav tau cov kev xaiv los sib xyaw nrog cov cuab yeej digital lossis siv cov teeb tsa Portable .
Thaum kawg, tsis muaj tseeb "kev xaiv zoo dua" ob leeg ua haujlwm sib txawv {}}} Kev nthuav dav zoo niaj hnub, cov ntaub ntawv zais cia feem ntau; Rau cov teeb pom kev zoo, cov chaw qis, lub blackboard tuaj yeem nyiam dua.
