Science: Insulation

insulation

Insulation
insulation

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