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
A O I N G H L I R
O R T C E R O O A
E C Q A T R K T N
B G T U L P G L V
R B M C M U J Y D
H D E V O T S U N
C C K Y E L R N F
Z H B N Q N D Z I
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