Ikizamini cyo gukata intoki muri rusange ni ikizamini cyo kumenya uko irangi cyangwa icapiro bifatanye ku kintu runaka.
Ishobora kugabanywamo urwego rwa ASTM 5, uko urwego ruri hejuru, niko ibisabwa birushaho gukomera. Ku kirahure gifite irangi rya silkscreen cyangwa irangi, ubusanzwe urwego rusanzwe ni 4B rufite ubuso buto bugera kuri 5%.
Uzi uburyo bwo kuyikoresha?
-- Tegura agasanduku k'igerageza kaciwe
-- Shyiraho umugozi w'ubugari hagati ya cm 1 na cm 2, ushyireho hagati ya mm 1 na mm 1.2 ku gice cy'igerageza, imigozi 10 yose hamwe
-- Sukura agace kaciwemo uruhu mbere yo gukoresha uburoso
-- Shyiraho akamashini ka 3M gatanga urumuri kugira ngo urebe niba hari irangi cyangwa irangi ryakuweho.
-- Gereranya n'ibipimo ngenderwaho kugira ngo umenye urugero rwabyo


Saida Glassihora iharanira kuba umufatanyabikorwa wawe wiringirwa kandi ikaguha serivisi nziza.
Igihe cyo kohereza: 17 Nyakanga-2020