Science: Insulation

insulation

Insulation
insulation

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