A single right-angle line on each one symbolizes the back flap of an envelope.
The wavy line symbolizes the brook Oese which flows through the municipality.
At the same time the two lines symbolize matches, as one of Norway's oldest match factories was founded in Nittedal.
The lines also symbolize tree logs, as forestry is of great importance for the local economy.
The blue line represents the Wabash River and symbolizes Lafayette's economic history as a river town.
The zig-zag lines in the arms symbolize both the electrical power and the industries.
The wavy line from the bottom-right to the top-left symbolizes the Rhine river.
The wavy line of partition symbolizes the many streams found in the area.
Nummi executives say the ability of ordinary workers to stop the line symbolizes the relationship of trust between management and labor.
The wavy line in the bottomright symbolizes the river Ohre, after which the district is named.
