Urwego ni ubwoko bwibikoresho byo hanze byo hanze, mubisanzwe bugaragara mumashuri, parike, ahantu hatuwe, nibindi; Ibyiciro rusange birimo urwego rwa Zigzag, urwego rwa C-Ubwoko, urwego rwa S-Ubwoko hamwe nurwego ruzamuka intoki. Abantu nkaya ibikoresho nkibi biranga hanze, ntabwo kubera imiterere yihariye gusa, ahubwo no kubera ingaruka nziza zidasanzwe. Ntakibazo icyorezo niki, urwego rushobora gukoresha imbaraga zumitsi yamaguru no kunoza ubushobozi bwo gufata amaboko yombi. Byongeye kandi, niba ibi bikoresho bikoreshwa kenshi, ukuboko, inkokora, igitugu nibindi bikoresho birashobora kandi guhinduka. Byongeye kandi, ibishushanyo bitandukanye byurwego birashobora kandi kunoza guhuza umubiri wumuntu. Abaturage muri rusange barashobora gukoresha urwego kugirango bakomeze.
Gukoresha imiyoboro kare bituma ibikoresho bikomeye, byiza kandi biramba kandi biramba, kandi birashobora kwihanganira uburemere bwinshi.
Imikorere:
1. Ongera amaraso akwirakwiza umubiri kandi ateza imbere metabolism;
2. Ongera imbaraga zingingo zo hejuru no guhinduka mukibuno no mu nda, kunoza ubushobozi bwo kwifata ku rutugu, no gushyira mu gaciro no guhuza.
3. Inzira ya electrostatitiya yemejwe muguteka.
4. Guhitamo imisatsi n'amabara ya Shelf ni ubuntu, kandi urashobora guhitamo amabara atandukanye.