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1 ਸਪੀਕਰ
1 ਚੈਪਟਰ
4 ਰੇਖਾ- ਖੰਡ
ਸਪੀਕਰ
ਚੈਪਟਰ
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Why did one of the engineers resign from the McMaster project? Is the engine running? They wanted him to relocate. It's an impressive design.