For example, improved burner designs are needed which provide efficient mixing of the entering burner air and gas streams. In the usual case, a low pressure natural gas stream is being introduced into a forced draft air supply fed by a power blower at a higher pressure. One function of the...
I could that already he had drawn upon his imagination to supply him with something in place of facts. It’ll be a thrilling bit of reading, and ought to give our pet aversion a cold shiver when he gets its import. Having Marshal Hastings come away up here after him will upset all ...