Science: Insulation

insulation

Insulation
insulation

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