Science: Insulation

insulation

Insulation
insulation

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