Science: Insulation

insulation

Insulation
insulation

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