Science: Insulation

insulation

Insulation
insulation

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