Science: Insulation

insulation

Insulation
insulation

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