Science: Insulation

insulation

Insulation
insulation

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