Science: Insulation

insulation

Insulation
insulation

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