Science: Insulation

insulation

Insulation
insulation

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