
Look at the roof of chromite
In short, a roof of a steel joist (chromite ceiling) has the main components as follows:

1- The lower wings
2- Qatari members
3. The upper wing
4- Reinforcement members

Chromite roof
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Contents of this post
Look at the roof of chromite
In short, a roof of a steel joist (chromite ceiling) has the main components as follows:
1- The lower wings
2- Qatari members
3. The upper wing
4- Reinforcement members
The steps of implementing the roof