Science: Insulation

insulation

Insulation
insulation

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