Science: Insulation

insulation

Insulation
insulation

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COLD
ENERGY
FIRE
HEAT
HOT
INSULATOR
STOVE
SUN
TRANSFER
R Y V C J E L R R
C Y B O Y J O O E
O U E R D R T N F
O H V L T A E H S
P H O N L R E O N
A C T U G R S T A
N U S Y I N D F R
C N Z F W T W P T
I A Z T F T E C T
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