Science: Insulation

insulation

Insulation
insulation

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