Science: Insulation

insulation

Insulation
insulation

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