Science: Insulation

insulation

Insulation
insulation

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