Science: Insulation

insulation

Insulation
insulation

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