Science: Insulation

insulation

Insulation
insulation

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