Science: Insulation

insulation

Insulation
insulation

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