Science: Insulation

insulation

Insulation
insulation

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