Science: Insulation

insulation

Insulation
insulation

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