1. Godiya ga gilashin gilashin da aka saka a cikin kayan alamar, gilashin gilashin suna nuna fitilolin motar abin hawa ga direba, suna yin kamar madubi, wanda ke haifar da tasirin "haske-sama" na taran. Wannan yana da mahimmanci ƙari don amincin hanya.
   Alamar hanya tana daga cikin ingantattun hanyoyin tattalin arziki don amintar da zirga-zirga cikin aminci. Bambanci tsakanin matafiya da launukan launuka na alamomin alama suna ba da bayyananniyar gani na hudawa a ƙarƙashin yanayin rana.

Sai kawai lokacin da aka haɗa gilashin gilashi masu kyau na gani, alamun hanya suna zama alamun amintaccen bayyane da dare. Ana amfani da beads ɗin gilashin a kan kayayyakin alamar ƙasa a ɗayan hanyoyi uku. Za a iya sanya su cikin alamomin yin alama kafin a yi amfani da su, ko za a iya jefar da su ko fesa su a cikin jika fenti kai tsaye a bayan fentin fentin, ko kuma za a iya sauke wani yanki a kan wanda aka sanya wajan mai biyu ko kuma kayan thermoplastic. Fenti ya rufe saman saman dutsen, tare da aikin fenti na fenti wanda ke hawa sama zuwa tsakiyar tsakiyar dutsen. Wannan yana samar da ayyuka biyu. Yana kulle gilashin gilashin a cikin fenti kuma yana ba fenti damar yin aiki a matsayin shimfidar shimfidar haske don sakewa, tare da launin fenti yana shafar launin hasken da aka mayar da shi. Hasken da ke shiga cikin gilashin gilashin ya tanƙwara ya mai da hankali zuwa bayan dutsen kuma ya nuna a bayinsa zuwa fitilolin fitila da direba.