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Card 16
Front
what is a good insulator?
Back
Card 17
Front
how do you work out payback time in years?
Back
Card 18
Front
what is a cavity wall?
Back
Card 19
Front
how can heat loss in a cavity wall be reduced?
Back
Card 20
Front
what are the 2 process' used to pass air through a cavity wall?
Back
Card 21
Front
what is energy efficiency?
Back
Card 22
Front
what is the useful input energy into a television and what is the useful and wasted energy output?
Back
Card 23
Front
what is the equation for efficiency?
Back
Card 24
Front
how can heat enegy be transferred from one place to another?
Back
Card 25
Front
what is conduction?
Back
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