Science: Insulation

insulation

Insulation
insulation

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