Science: Insulation

insulation

Insulation
insulation

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