Science: Insulation

insulation

Insulation
insulation

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