Science: Insulation

insulation

Insulation
insulation

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