Building Materials
During smelting process, the combination of fuel in the furnace

Carbon dioxide with carbon forms carbon mono-oxide
All listed here
Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2
Forms carbon dioxide

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Building Materials
The plywood

Has good strength along the panel only
Can be spilt in the plane of the panel
Has greater impact resistance to blows than ordinary wood
Cannot be bent more easily than ordinary wood of same thickness

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