Science: Insulation

insulation

Insulation
insulation

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