Science: Insulation

insulation

Insulation
insulation

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