Science: Insulation

insulation

Insulation
insulation

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