Science: Insulation

insulation

Insulation
insulation

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