Science: Insulation

insulation

Insulation
insulation

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