Science: Insulation

insulation

Insulation
insulation

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