Science: Insulation

insulation

Insulation
insulation

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