Science: Insulation

insulation

Insulation
insulation

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