Science: Insulation

insulation

Insulation
insulation

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