Science: Insulation

insulation

Insulation
insulation

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