Science: Insulation

insulation

Insulation
insulation

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