Science: Insulation

insulation

Insulation
insulation

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