Science: Insulation

insulation

Insulation
insulation

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