Science: Insulation

insulation

Insulation
insulation

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