Science: Insulation

insulation

Insulation
insulation

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