Science: Insulation

insulation

Insulation
insulation

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