sanyukt raajya America mein cigarette kar alag-alag raajyon mein ek doosare se vyaapak roop se bhinn hai. udaaharan ke liye dakshin kairolina mein ek packet par keval 7 seint hai, jo desh ka nyoonatam hai, jabki road aailaind mein America ka uchchatam sitret tax prati packet $ 3.46 hai. Alabama mein, ilinois, misauri, New York shahar, Tennessee aur varjeeniya, kaauntiyon aur shaharon cigarette ki keemat par ek atirikt seemit kar laagoo hain.[87] uchch kar dar ke kaaran new jersey mein cigarette ke ek ausat packet ki keemat $ 6.45 hai,[88][89] jo abhi bhi cigarette ke ek packet ki anumaanit baahya laagat se bhi kam hai.
Hongkong mein, jan paaragaman, RFID praudyogiki ke upayog ke maadhyam se lagbhag vishesh roop se bhugataan kiya jaata hai, jise oktopas card kaha jaata hai. moolat: ise sitmbar 1997 mein vishesh roop se paaragaman kiraaya vasooli ke liye shuroo kiya gaya tha, lekin yeh ek cash card ke samaan ho gaya hai aur ise abhi bhi vyaapaarik machine, fast food restaurant aur suparamaarket mein istemaal kiya ja sakta hai. is card ko aid-vailyoo masheenon ya dukaanon mein nakadi se reechaarj kiya ja sakta hai aur paathak se kai seinteemeetar door se padha ja sakta hai. Delhi metro, Bhaarat ki rajdhani nai Delhi mein raipid traanjit system mein bhi yahi laagoo hai.

2002 mein rog niyantran aur rokathaam kendra ne kaha ki sanyukt raajya America mein beche gaye cigarette ke ek packet par dhoomrapaan karne vaalon ki chikitsa aur utpaadakata mein kshati ke roop mein desh ke 7 $ (dollar) se adhik kharch hote hain, jo prativrsh dhoomrapaan karne vaale prati vyakti par prativrsh $ 2000 se adhik baithata hai.[70] svaasthya arthashaastriyon ke ek dal ne ek anya adhyayan mein paaya ki unke parivaaron aur samaaj dvaara sanyukt pradatt moolya cigarette ke prati packet par 41 dollar hai.[83]
digital sarkit ka doosra roop lukaap table se nirmit hota hai ("prograamebal laujik divaais" ke roop mein anek beche ja chuka hain, haalaanki PLD ke anya prakaar vidyamaan hain). lukaap taalika, masheenon par aadhaarit laujik geton ki tarah hi kaarya kar sakti hain lekin aasaani se taaron ko badle bina hi reeprograam kar sakti hain. iska arth yeh hai ki designer, aksar taaron ki vyavastha ko badle bina hi design trutiyon ki marammat kar sakte hain. isliye chhoti maatra mein utpaad prograamebal laujik divaais aksar adhimaanya samaadhaan kar rahe hain. ve aam taur par injeeniyron dvaara electronic design svachaalan software ka upayog kar design kiya jaata hai (adhik jaankaari ke liye neeche dekhein).
baharahaal, pathan seema, reedar aur taig, donon ka hi ek kaarya hai. praudyogiki ke kshetr mein sudhaar se taig ki pathan seema mein vruddhi ki ja sakti hai. reedar ke taig ke bahut paas hone se kam doori ke taig pathaneeya ho jaate hain. aam taur par, ek taig ki pathan seema ko reedar se utani doori par seemit kiya jaata hai jis par taig, reedar kshetr se taig ko niyantrit karne ke liye paryaapt oorja kheench sake. ek reedar ki shakti ko badhaakar, taig ko unke liye niyat doori se adhik door se padha ja sakta hai. pathan doori par seema, tab reedar ko taig se vaapas bheje gaye sanket ka signal-tu-nauej anupaat ban jaata hai. do suraksha sammelanon mein shodhakartaaon ne dikhaaya ki nishkriya Ultra-HighFID taig, ameriki passport mein prayukt HighFID prakaar vaale naheen, jo aamtaur par 30 feet tak padhe jaate hain, upayukt upakaranon ke upayog dvaara 50-69 foot ki doori se padhe ja sakte hain.[73][74]
kuchh pranaaliyon mein yadi digital deta ka ek bhaag lupt ho jaae ya galat tareeke se vyavahrut hon, to sambandhit deta ke vishaal khandon ka arth poori tarah se badal sakta hai. kyonki kleef ifekt ke kaaran, upayogakartaaon ke liye bataana mushkil hai ki koi vishisht system vifalta ke kagaar par sahi tha ya fir vah asafal hone se pehle bahut adhik shor ko sahan kar sakta hai ya naheen.
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