Science: Insulation

insulation

Insulation
insulation

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