Science: Insulation

insulation

Insulation
insulation

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