Science: Insulation

insulation

Insulation
insulation

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