Science: Insulation

insulation

Insulation
insulation

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