Bidiyo na igiyar igiyar igiyar igiyar waya ƙwararrun masana'anta

1. Ya kamata saman colloid na waya ya zama santsi, lebur, launi iri ɗaya, ba tare da lalacewar injiniya ba, kuma a bayyane a cikin bugu.

2. Colloid na waya dole ne ya kasance yana da abin mamaki na rashin manne, fata na oxygen, bambance-bambancen launi, tabo da sauransu.

3. Girman samfurin da aka gama dole ne ya dace da bukatun zane