Polar vortex: Fire used to melt ice on Chicago train tracks
Flames from gas-fed heaters stop snow and ice from clogging up the track at railway intersections.
from BBC News - Home https://bbc.in/2RsdKSK
Labels: BBC News - Home
posted by Pradeep Bommana @ January 31, 2019
0 Comments
0 Comments:
Post a Comment
Subscribe to Post Comments [Atom]
<< Home