Science: Insulation

insulation

Insulation
insulation

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