Snow is an ever present obstacle to railway operations. A Jet Blower is stationed in Halifax (and one in Dartmouth), and is used to clear snow from turnouts. A jet engine is mounted on a self propelled unit, and has a controllable nozzle, directing the hot air used to melt and blow snow from turnouts.
I am slowly moving rail content from a tumblr I had to here. The train posts can be found at https://blog.halifaxshippingnews.ca/category/railway. Most will be placed in there historic dates, But some will be combined into new content like this.