Science: Insulation

insulation

Insulation
insulation

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