railroad ballast वाक्य

उदाहरण वाक्य

1. In the 19th century, the cliffs were heavily quarried for railroad ballast, leading to local efforts to preserve them.
2. It was discovered at Ballaqueeney ( Ballaquine ) Isle of Man in 1874 by Reverend F . B . Grant during the process of excavating dirt for use as railroad ballast.
3. In 1973 Henry subsequently married Deborah Speno, granddaughter of Frank Speno, inventor of a ballast cleaning mechanism, and founder of Speno Railroad Ballast Cleaning Co . from Ithaca, New York.
4. Current understanding of this complex is limited due to its age, the lack of a written record, and the current deteriorated state of the structures due to treasure hunting, looting, stone mining for building stone and railroad ballast, and natural weathering.