lujvo x1=m1 is a magnetic stripe card reader for use/function x2=m2, accepting card x3=k1 General reader of cards with magnetic stripes (maksriveikarda). For payment card reader see lejykardymi'i). Cf. kardyckiku.
lujvo x1=k1=c1 is a key card unlocking lock x2=c2 by property/card type x3=c3 Various types of cards include mechanical holes, bar code, magnetic stripe (maksriveikarda), Wiegand wire, microchip and RFID. Cf. maksrikardymi'i.