Urwego ni ubwoko bwibikoresho byo hanze byo hanze, bikunze kugaragara mumashuri, parike, aho batuye, nibindi; Ibyiciro rusange birimo zigzag urwego, C ubwoko bwurwego, S ubwoko bwa S hamwe nintambwe yo kuzamuka mukiganza. Abantu bakunda ubu bwoko bwibikoresho byo kwinanura hanze, bitatewe gusa nuburyo bwihariye, ariko nanone kubera ingaruka zidasanzwe zo kwinezeza. Ntakibazo cyaba icyo aricyo cyose, urwego rushobora gukoresha imitsi yingingo zo hejuru no kunoza ubushobozi bwo gufata amaboko yombi. Byongeye kandi, niba ibi bikoresho bikunze gukoreshwa, ukuboko, inkokora, urutugu nizindi ngingo nabyo birashobora guhinduka. Byongeye kandi, ibishushanyo bitandukanye byurwego birashobora kandi kunoza imikoranire yumubiri wumuntu. Abaturage muri rusange barashobora gukoresha urwego kugirango bakomeze.
Gukoresha imiyoboro ya kare ituma ibikoresho birushaho gukomera, byiza kandi biramba, kandi birashobora kwihanganira uburemere bunini.
Igikorwa:
1. Kongera umuvuduko w'amaraso mu mubiri no guteza imbere metabolism;
2. Kongera imbaraga z'ingingo zo hejuru no guhuza ikibuno n'inda, kunoza ubushobozi bwo kwifata kw'ibitugu, no gukora uburinganire no guhuza.
3. Gutera imiti ya electrostatike ikoreshwa muguteka irangi.
4. Guhitamo amabara yo kwisiga hamwe nubusa ni ubuntu, kandi urashobora guhitamo amabara atandukanye.