Science: Insulation

insulation

Insulation
insulation

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