Classification of Refractory

Description

[@ramup7816]

This bricks burned or not ?

[@abdessamaddjellal4135]

Hello, for burning zone the magnesia hercynite brick it's good ???????

[@annywang5742]

Great!

[@Zemdo]

With the Music it is too hard to hear the voice

[@na2elll]

You are right, I will try to avoid it in the future

[@alhussenyehab1673]

Sound disappear in the middle of video

[@sinanaltinkok]

sound problem after half