Science: Insulation

insulation

Insulation
insulation

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