Science: Insulation

insulation

Insulation
insulation

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