Science: Insulation

insulation

Insulation
insulation

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