Butt ons ▁or ▁smart ▁radio - fre quency ▁identification ▁cards ▁as ▁tick ets . ▁Ak b ils ▁were ▁ 1 - W ire ▁( i Button ) ▁electronic ▁tags . ▁The ▁key f ob ▁version ▁of ▁the ▁device ▁had ▁the ▁em blem ▁of ▁the ▁Ist an bul ▁Metropolitan ▁Municip ality ▁m ould ed ▁on ▁it . ▁ ▁The ▁units ▁could ▁be ▁acquired ▁from ▁offices ▁near ▁major ▁transport ▁inter changes ▁for ▁a ▁ref und able ▁depos it ▁of ▁ 6 ▁T L , ▁and ▁were ▁loaded ▁with ▁cred its ▁in ▁these ▁offices ▁in ▁amounts ▁up ▁to ▁ 1 5 0 ▁T L . ▁Alternatively , ▁they ▁could ▁be ▁loaded ▁at ▁special ▁purpose ▁machines , ▁news stand s ▁or ▁small ▁sh ops ▁which ▁offered ▁this ▁service . ▁ ▁References ▁ ▁Category : F are ▁collection ▁systems ▁in ▁Turkey ▁Category : Transport ▁in ▁Ist an bul ▁Category : R ap id ▁trans it ▁in ▁Turkey ▁Category : F er ry ▁transport ▁in ▁Turkey ▁Category : Public ▁transport ▁in ▁Ist an bul <0x0A> </s> ▁Isaac ▁D ov ▁Ber kow itz ▁( ; ▁▁ 1 6 ▁October ▁ 1 8 8 5 ▁– ▁ 2 9 ▁March ▁ 1 9 6 7 ), ▁was ▁an ▁Isra eli ▁author ▁and ▁Y idd ish - H eb rew ▁transl ator . ▁ ▁Biography ▁Isaac ▁D ov ▁Ber kow itz ▁was ▁born ▁in ▁Sl ut sk , ▁Russian ▁Empire . ▁He ▁imm igr ated ▁to ▁Mand atory ▁Palest ine ▁in ▁ 1 9 2 8 . ▁ ▁Ber kow itz '