Braille yog ib qho kev sau ntawv tactile tsim nyob rau hauv thaum ntxov 19th caug xyoo los ntawm ib tug Fabkis txoj hu ua Louis Braille. Lub kaw lus siv cov dots tsa nyob rau hauv ntau yam qauv los sawv cev rau cov tsiaj ntawv, tus lej, thiab cov cim cim. Braille tau dhau los ua tus qauv rau cov neeg dig muag nyeem thiab sau ntawv, thiab nws tau siv dav hauv ntau yam ntawm lub neej niaj hnub, suav nrog kev kos npe.
Cov paib Braille kuj hu ua ADA (Americans with Disabilities Act) cov paib lossis cov cim tactile. Lawv nthuav qhia cov cim Braille thiab cov duab uas tuaj yeem tshawb pom tau yooj yim thiab nyeem los ntawm kev kov. Cov paib no yog siv los muab cov ntaub ntawv thiab cov lus qhia rau cov neeg uas muaj qhov muag tsis pom kev, ua kom lawv paub txog lawv qhov chaw nyob ib puag ncig, thiab tuaj yeem txav mus los ntawm kev nyab xeeb thiab ywj pheej.
1. Kev nkag tau rau cov neeg uas muaj qhov muag tsis pom kev
Cov paib Braille muab ib qho tseem ceeb ntawm kev nkag mus rau cov neeg uas muaj qhov muag tsis pom kev, tso cai rau lawv mus rau cov tsev, chaw ua haujlwm, thaj chaw pej xeem, thiab lwm qhov chaw ntawm nws tus kheej. Los ntawm kev muab cov ntaub ntawv nyob rau hauv hom tactile uas tuaj yeem xav tau, cov cim Braille muab lub sijhawm rau kev nkag mus rau cov ntaub ntawv sib luag, tso cai rau cov neeg tsis pom kev koom nrog hauv zej zog nrog kev ywj pheej thiab kev lees paub tus kheej.
2. Kev nyab xeeb
Cov paib Braille tseem tuaj yeem txhim kho kev nyab xeeb, ob qho tib si rau cov neeg muaj kev tsis pom kev thiab cov tsis muaj. Thaum muaj xwm txheej ceev xws li hluav taws kub lossis kev khiav tawm, cov paib Braille muab cov ntaub ntawv tseem ceeb ntawm kev taw qhia kev taw qhia los pab tib neeg nrhiav txoj hauv kev tawm ze tshaj plaws. Cov ntaub ntawv no tseem tuaj yeem pab tau hauv cov haujlwm niaj hnub ua haujlwm ib hnub, xws li taug kev los ntawm cov chaw tsis paub hauv lub tsev.
3. Ua raws li ADA Cov Ntawv Qhia
Cov paib Braille yog ib feem tseem ceeb ntawm ADA-raws li kev kos npe. Txoj Cai Neeg Asmeskas Nrog Kev Tsis Muaj Peev Xwm (ADA) xav kom txhua thaj chaw pej xeem muaj cov paib uas nkag tau rau cov neeg tsis taus. Qhov no suav nrog muab cov cim nrog cov cim tactile, cov ntawv tsa suab, thiab Braille.
1. Cov khoom siv
Cov paib Braille feem ntau yog tsim los ntawm cov khoom siv ruaj khov xws li yas, hlau, lossis acrylic. Cov ntaub ntawv no tuaj yeem tiv taus huab cua hnyav thiab tshuaj lom neeg feem ntau pom hauv cov khoom siv tu. Tsis tas li ntawd, cov ntaub ntawv muaj kev kam rau siab rau khawb los ntawm kev hnav thiab tsim kua muag txhua hnub.
2. Xim Contrast
Cov paib Braille feem ntau muaj cov xim sib txawv, uas ua rau lawv yooj yim nyeem rau cov neeg tsis pom kev. Qhov no txhais tau hais tias qhov sib txawv ntawm keeb kwm yav dhau thiab cov Braille dots yog qhov sib txawv thiab yooj yim sib txawv.
3. Qhov chaw
Cov paib Braille yuav tsum tau muab tso rau hauv qhov chaw nkag tau yooj yim, tsis pub dhau 4-6 feet ntawm av. Qhov no ua kom cov neeg muaj qhov muag tsis pom kev tuaj yeem hnov lawv thaum sawv ntsug yam tsis tas yuav ncab lossis ncav cuag.
Cov paib Braille yog ib qho tseem ceeb ntawm kev lag luam thiab kev nrhiav txoj hauv kev kos npe, muab kev nkag tau yooj yim, kev nyab xeeb, thiab ua raws li ADA cov cai. Lawv muab lub sijhawm rau cov neeg uas muaj kev tsis pom kev los koom nrog hauv zej zog nrog kev ywj pheej thiab kev ruaj ntseg rau tus kheej, ua rau lawv lub neej txhua hnub muaj kev ywj pheej thiab xis nyob. Los ntawm kev sib koom ua ke cov paib Braille hauv koj qhov kev kos npe, koj qhov chaw tuaj yeem muab kev nkag tau zoo dua rau cov ntaub ntawv, tsim kom muaj kev nyab xeeb ib puag ncig, thiab ua kom pom kev cog lus rau kev nkag tau yooj yim thiab suav nrog.
Peb yuav ua 3 qhov kev tshuaj xyuas nruj ua ntej xa khoom, uas yog:
1. Thaum cov khoom tiav tiav lawm.
2. Thaum txhua tus txheej txheem raug xa mus.
3. Ua ntej cov khoom tiav yog ntim.