Science: Insulation

insulation

Insulation
insulation

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