Science: Insulation

insulation

Insulation
insulation

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