Science: Insulation

insulation

Insulation
insulation

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