Bir tayo sare leh oo bir ah oo tayo sare leh 60-80Mesh si loo helo saameyn wanaagsan oo ka saarista miridhku

Habka farsamaynta birta ee wasakhda ah waa in la kala saaro walxaha kala duwan iyo wasakhda. Waxay ku lug leedahay habka kala soocidda, burburinta, shaandhaynta, kala soocidda birlabta ah, iyo kala soocidda hawada ee wasakhda laga soo saaro inta lagu jiro habka dhalaalinta birta. Birta, silikoon, aluminium, magnesium, iyo walxaha kale ee ku jira wasakhda waa la kala soocaa, la farsameeyaa, oo dib loo isticmaalaa si loo yareeyo wasakhowga deegaanka loona gaaro isticmaalka waxtarka leh ee kheyraadka.