Those greasecan things attached to rails?

Daniel (bosey_@hotmail.com)
Tue, 11 Nov 1997 18:37:23 +1100

Hi Guys and Girls,

I was just wondering what those greasy things attached to the rails in
suburbann sydney do. They sort of look like a black grease chaimber thing
that's attached to the rail with a pipe.

thanks,
Daniel