Science: Insulation

insulation

Insulation
insulation

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