Science: Insulation

insulation

Insulation
insulation

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