Umurongo mumurongo w'agaciro ufite ishusho ya L Les ni umurongo mumurongo w'agaciro ukoreshwa mu gukora ishusho ya L byihuse kandi neza. Iki gikoresho gishingiye ku murongo w'impande eshatu wa santimetero 30 usanzwe, bityo gikora imirimo ibiri. Uduce dushobora kwimurwa dushyirwa mu myanya isabwa, hanyuma umuntu agakurikira umurongo wo gukata akoresheje ikaramu cyangwa ikaramu y'ikirungurira. Ishusho zishobora kuba zingana impande zombi cyangwa zitangana, zifite uburebure kuva kuri santimetero 2 kugeza kuri 20 mu ntambwe za santimetero 1. Nta gupima incuro nyinshi bikenewe, kandi imfuruka nziza isanzwe ishyizweho. Les ikorwa muri pulasitiki hakoreshejwe gukata na laseri no gucamo ishusho.
Izina ry'umushinga : Les, Izina ryabashushanya : George Galcsik, Izina ry'abakiriya : George Galcsik.
Iki gishushanyo cy'agaciro gakomeye ni cyo cyegukanye igihembo cya feza mu irushanwa ry'ibishushanyo by'ibikoresho by'ubuhanzi n'ibikoresho byo mu biro. Ugomba kubona intangiriro y'imirimo y'abashushanya bahawe igihembo cy'ifeza kugira ngo ubone imirimo myinshi mishya, inovatif, yihariye kandi ibyaza uburanzi mu gushushanya ibikoresho by'ubuhanzi n'ibikoresho byo kwandika.
