Imiyoboro yacu y'umuringa ikozwe mu muringa wo mu rwego rwo hejuru kandi yagenewe kubahiriza ibipimo bihanitse kandi byiringirwa bisabwa. Ntabwo iyi screw ishobora gusa gukomeza imikorere ihamye mubidukikije bitandukanye, ariko kandi irwanya ikirere kandi irwanya ruswa cyane, bigatuma ibera imishinga ihura n’ibidukikije cyangwa hanze igihe kirekire.
Usibye imikorere yabo ya tekiniki nziza, imashini z'umuringa nazo zigaragaza ibintu byiza biranga ubwiza, zihuza ubuziranenge bwo mu rwego rwo hejuru n'ubukorikori bw'umwuga. Kuramba kwabo no kugaragara neza byatumye bahitamo bwa mbere kumishinga myinshi kandi ikoreshwa cyane mubyogajuru, imbaraga, ingufu nshya, nibindi bice.