Ikizamini cyo guca umusaraba ni iki?

Ikizamini cyo guca ikizamini muri rusange ni ikizamini cyo gusobanura ifatizo cyangwa igicapiro ku ngingo.

Irashobora kugabanywa murwego rwa ASTM 5, urwego rwo hejuru, rukomeye rwibisabwa. Kubirahuri bifite icapiro rya silkscreen cyangwa igipfundikizo, mubisanzwe urwego rusanzwe ni 4B hamwe na flake ahantu <5%.

Waba uzi kuyikoresha?

- Tegura agasanduku k'ibizamini
- Shyira ubugari hafi 1cm-2cm hamwe na 1mm - 1,2mm intera kumwanya wikizamini, gride 10 zose hamwe
- Sukura ahantu haciwe umusaraba ubanza gukaraba
- Koresha kanda ya 3M ibonerana kugirango urebe niba hari igifuniko / gushushanya byari ibishishwa
- Gereranya nibisanzwe kugirango usobanure urwego rwayo

Ikirahuri cya Saidaguhora uharanira kuba umufatanyabikorwa wawe wizewe kandi ureke wumve serivisi zongerewe agaciro.