I walked up to the ATM machine the other day, put the card in, punched in the code and got a rejection slip instead of cash. “Transaction selected is not allowed.” I pulled out the card, waited for ...
In a December 2014 Plumbing & Mechanical Hydronics Workshop column, we discussed the benefits of dual-fuel systems that combine a geothermal water-to-water heat pump with a mod/con boiler. The boiler ...
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