Science: Insulation

insulation

Insulation
insulation

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