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#manufacturing
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#steel
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#roofing
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A manufacturer of roofings Ltd produces two types of steel. Type 1 requires 2 hours of melting, 4 hours of rolling and 10 hours of cutting. Type 2 requires 5 hours of melting, 1 hour of rolling and 5?
A manufacturer of roofings Ltd produces two types of steel. Type 1 requires 2 hours of melting, 4 hours of rolling and 10 hours of cutting. Type 2 requires 5 hours of melting, 1 hour of rolling and 5?