Science: Insulation

insulation

Insulation
insulation

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