Energy which is transferred due to a temperature difference is sometimes known as heat or heat energy (or even thermal energy, although this is not a standard term). Conduction is sometimes described as a thermal energy transfer. You will have to decide if any of these terms are appropriate to your own scheme of work.
American Express TrueEarnings Card from Costco: allows you to earn cash back on eligible items NOTE: please visit the site directly for more details, verification and information. As of 2014 they have over 107 million active cards.
As with all things, this will probably vary across the board depending on what card you have. American Express users tend to get the most unofficial perks, though: one burger joint in Hong Kong shaved 10% off your final bill if you used your Amex card, along with a host of other discounts from other vendors.