Science: Insulation

insulation

Insulation
insulation

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