Science: Insulation

insulation

Insulation
insulation

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