Ntau tus neeg yuav them sai sai rau qhov tshwj xeeb zoo ntawm cov ntaub ntawv uas siv los ua nyiaj hauv txhab nyiaj. Tseeb, ntawv tshwj xeeb yog siv los luam nyiaj. Qhov no tiv thaiv cov ntawv nyiaj los ntawm kev dag thiab xyuas kom tseeb tias cov ntawv nyiaj tuaj yeem tiv taus hnav thiab ntuag.
Nyiaj luam ntawv ntawv nyiaj: qib siab tshaj plaws ntawm kev tiv thaiv
Daim ntawv nrog cov khoom tiv thaiv tsis yog siv rau hauv kev tsim cov ntawv nyiaj, tab sis kuj nyob rau kev muab kev nyab xeeb, ntim khoom muaj npe zoo thiab khoom kim, cov ntaub ntawv ntawm qhov tseem ceeb tshwj xeeb. Cov khoom siv tshwj xeeb uas tsim los siv cov thev naus laus zis tshwj xeeb tsim qhov yuav luag tsis pom qhov tseeb rau cov tub ntxhais kawm txoj cai uas feem ntau nrhiav los ua nyiaj cuav.
Cov ntawv tshwj xeeb nrog kev ruaj ntseg nta poob rau hauv ntau pawg. Cov khoom siv ntawm cov khoom lag luam zoo tshaj plaws, zwm rau thawj qeb, cia li dhau los ua cov khoom siv raw khoom rau kev tsim cov ntawv nyiaj.
Cov phau ntawv hla tebchaws thiab lwm cov ntaub ntawv ntiag tug kuj tau ua los ntawm cov ntawv zoo li no, uas yog raug raws kev cai siab tshaj plaws ntawm kev tiv thaiv kev dag.
Financiers feem ntau hais tias nyiaj nyiam silence. Yog li no, nws tsis yog qhov xav tsis thoob tias cov thev naus laus zis ntawm kev tsim cov nyiaj ntawv hauv ib lub xeev twg yog cov chav zais kev zais cia siab tshaj plaws. Cov neeg uas tsis yog privy rau lub intricacies ntawm ntau lawm paub tsuas yog qhov yooj yim sib txawv ntawm cov ntawv, uas, txawm li cas los, kuj muaj kev cia siab rau pom qhov txawv ntawm daim nqi tiag tiag los ntawm cov ntawv cuav.
Ruaj ntseg ntawv tsim tshuab
Cov ntaub ntawv ruaj ntseg yog tsim hauv txoj kev sib txawv kiag li ntawm cov khoom lag luam uas mus rau qhov tsim cov ntawv xov xwm thiab cov ntawv xov xwm. Muaj qhov sib txawv ntawm cov khoom sib xyaw, thiab qhov tseeb ntawm cov khoom siv, thiab hauv cov qauv tshwj xeeb hauv kev ua cov khoom no. Nyob rau theem sib txawv ntawm kev tsim cov ntawv tshwj xeeb, cov khoom siv tshwj xeeb tau ntxiv rau qhov muaj pes tsawg leeg, uas dhau los ua cov khoom tiv thaiv.
Cov neeg tsim khoom ntawm banknote raw cov ntaub ntawv ua tau raws li cov kev cai nruj rau daim ntawv nyhav thiab qhov hnyav ib square centimeter ntawm thaj chaw. Ib qhov nqi ntawm cov paj rwb xov thiab lwm yam tshuaj ntxiv rau cov huab hwm coj sib xyaw, feem ntau ntawm cov cellulose, uas pom tau tsuas yog nyob rau hauv cov teeb pom kev zoo tshwj xeeb, piv txwv li, nyob rau hauv kev cuam tshuam ntawm ultraviolet hluav taws xob.
Nws ntseeg tias qhov tsawg kawg yog peb hom fiber ntau ntawm cov keeb kwm sib txawv hauv cov ntawv muab kev tiv thaiv zoo.
Ib qho ntawm cov tsis nyiam ntawm banknotes yog watermarks. Lawv tsim nyob rau hauv ib ntawm cov theem ntawm cov txheej txheem thev naus laus zis ntawm kev tsim cov khoom nyoos, siv cov ntawv hu ua embossed calendering thooj voos kheej kheej. Hla ntawm cov qaws, daim ntawv web hloov nws tuab ntawm qee qhov chaw. Tom qab ntawd, pom qhov muag pom tshwm sim, uas yog daim duab latent. Nws tuaj yeem ua qauv qauv lossis ntawv nyeem nyob rau ob qho tag nrho cheeb tsam ntawm tus nqi, thiab hauv nws tus kheej qhov chaw.
Rau qee lub sijhawm tam sim no, cov xim fiber ntau ntawm cov qhov ntev sib txawv tau nkag mus rau hauv lub txhab nyiaj. Lawv feem ntau pom tsis muaj teeb pom kev zoo tshwj xeeb, txawm hais tias qee hom nyiaj ntawm banknotes yuav suav nrog villi, uas tsuas pom nyob hauv qab ntawm ultraviolet teeb. Hom kev tiv thaiv no zoo vim nws yuav luag tsis yooj yim rau cov neeg tawm tsam tsim kom muaj me nyuam nws siv kev luam lossis luam ntawv.