Science: Insulation

insulation

Insulation
insulation

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