Amakuru
-
Igikorwa cyibigize imiti muri steel
1. Karuboni (C) .CARBON nikintu cyingenzi cya chimique kigira ingaruka kumyitwarire ikonje ya plastiki. Ibiri hejuru ya karubone, imbaraga zo hejuru yibyuma, nubukonje bwo hasi. Byagaragaye ko kuri buri 0.1% byiyongera muri karubone, imbaraga zitanga umusaruro wiyongera ...Soma byinshi -
Ibisabwa kuri paki ya diameter nini ya dieyire
Ubwikorezi bwa diameter nini ya diamet steel steel nikibazo kitoroshye mugutanga. Kugirango wirinde ibyangiritse kumuyoboro wicyuma mugihe cyo gutwara abantu, birakenewe gupakira umuyoboro w'icyuma. 1. Niba umuguzi afite ibisabwa byihariye kubikoresho byo gupakira hamwe nuburyo bwo gupakira bwuzuye spir ...Soma byinshi