Science: Insulation

insulation

Insulation
insulation

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