Science: Insulation

insulation

Insulation
insulation

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