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 D
H O N I U O D T E
O E T E R T B W R
T O A A R E U R H
T N U T L G C C N
C F R C I U Y U L
G S E V O T S H X
Z Y K J S L U N J
S M K R Q H D P I
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