Science: Insulation

insulation

Insulation
insulation

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