Science: Insulation

insulation

Insulation
insulation

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