Science: Insulation

insulation

Insulation
insulation

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