Science: Insulation

insulation

Insulation
insulation

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