Science: Insulation

insulation

Insulation
insulation

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