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