AID Guhagarika Ubwoko Bwihuza byateguwe kandi bikozwe kuri DIN 22258-3, hamwe nicyuma kinini kivanze kugirango gihuze imiterere yubukanishi.
Guhagarika Ubwoko Bwihuza bikoreshwa muguhuza DIN 22252 iminyururu ihuza umurongo hamwe na DIN 22255 urunigi ruhuza mumwanya uhagaze gusa.