Science: Insulation

insulation

Insulation
insulation

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