Science: Insulation

insulation

Insulation
insulation

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