Meaning of ルター in Japanese

The components obtained by distillation of coal tar are as shown below.

Shelters have been built in fear of war.

Frankfurters were first sold in the United States in the 1860s.

Trucks came and dumped big stones on the road, then some trucks with little stones, then some trucks with tar and sand, and finally a steam roller came and rolled it all smooth, and the road was done.

There are a few nuclear bomb shelters in the city.

In its home country of Germany, the hot dog was called the frankfurter.

Walter was taken aback by John's cruel insult.

Walter Mondale ran for President.

Americans called frankfurters "dachshund sausages."