Science: Insulation

insulation

Insulation
insulation

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