Science: Insulation

insulation

Insulation
insulation

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