Science: Insulation

insulation

Insulation
insulation

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