Science: Insulation

insulation

Insulation
insulation

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