Science: Insulation

insulation

Insulation
insulation

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