Industry
After watching the video course you will get an basic idea about 1. Steel rebar 2. Billet making process 3. Different mill stand 4. Roll pass desig...
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$99.99
$70
Fire resistance of building structure« means the ability of the structure exposed to fire the appropriate time maintaining its strength. To r...
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$49.99
$35
This course explains, in a clear way, all controls and determinations must be made to operate efficiently, a secondary treatment plant sludge or ac...
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$44.99