Science: Insulation

insulation

Insulation
insulation

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