Science: Insulation

insulation

Insulation
insulation

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