Science: Insulation

insulation

Insulation
insulation

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