Question

Understanding Technical and Scientific Texts -TULOPI Part 2 Level

Click on the effect of the different chemical reactions that take
place during reduction firing.
Cause
Effect
The amount of oxygen in the kiln is
reduced as the fuel burns.
The glaze has a uniform
appearance on pieces that
come out of the kiln.
The glaze changes in ways
that cannot always be known
in advance.
The finished pieces that come
out of the kiln are very shiny.
All pieces that are glazed in
blue turn bright red.

Answer 1

the glaze changes in ways that cannot always be known in advance