Science: Insulation

insulation

Insulation
insulation

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