Gushushanya hakoreshejwe laser, bikoreshwa mu gushonga no gukuraho irangi mu buryo bwihariye mu bice bimwe na bimwe by'urwego rwo hejuru. Iyo irangi rimaze gukurwaho, amatara yo inyuma azamurikira keypad muri ako gace.

Ni ngombwa kumenya ko utubuto twa silicone rubber dukunze gushushanywa na laser kugira ngo twongere ingaruka zo gushushanywa na laser. Gushushanywa na laser bikora gusa, iyo utubuto twa silicone rubber dufite back-lighting. Hatabayeho gushushanywa na laser, agace cyangwa uduce twa laser ntabwo tuzaba dufite urumuri. Si utubuto twose twa silicone rubber dufite back-lighting dushushanywa na laser, ariko utubuto twose cyangwa twinshi twa silicone rubber dufite back-lighting dufite back-lighting.