Qalabka kala duwan ee koobabka biyaha ayaa leh faa'iidooyin iyo faa'iido darrooyin kala duwan, dooro koobka khaldan waa in la iibsado "bam wakhtiga" jirka ah.

1. Koobabka waraaqaha

Raac hal muuqaal, laba ur, saddex cabbir taabasho, biyo aad u qabow ama aad u kulul, cabitaannada aalkolada ah ama aashitada ah kuma habboona koobabka waraaqaha la tuuri karo.

2. Koobabka caaga ah

Inta badan koobabka caagagga ah laguma buuxin karo biyo kulul, si loo doorto koobabka caagadaha heerka cunto ee waafaqsan heerarka qaranka.

3. Koobabka dhaldhalaalka

Haddii gidaarka gudaha uu dhaawac yahay, ha kugula talin inaad sii wadid isticmaalka, badanaana ha kugula talin isticmaalka koobka dhaldhalaalka ee cabitaannada acidic ah, si looga fogaado kala dirida walxaha birta ah.

4. Koobabka birta ah ee birta ah

Xulashada koobka birta aan fiicnayn, waa in ay doortaan 304 bir ahama, nadiifinta koobka birta ah, xusuusnow inaadan isticmaalin alkaline xooggan iyo wakiilada kiimikooyinka oksaydhka ee xooggan.

5. Koobabka dhoobada

Dooro koobka dhoobada, waxaa lagama maarmaan ah in la doorto darbiga gudaha ee aan midab lahayn, glaze aan midab lahayn, ama dooro muraayadda midabka glaze-ka, shidaalka noocan oo kale ah si toos ah ula xiriiri maayo cabitaanka, wuxuu ka fogaan karaa kala dirida walxaha sunta ah.

6.Muraayad

Markaad dooranayso muraayadaha, waxaa lagu talinayaa in la doorto galaas borosilicate sare ah, kaas oo kuleyl badan oo xiran u adkaysta muraayadda caadiga ah.

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