The presentations are free to download and use for student community on slideshare.net. If you are a Teacher needing it for academic use, the original content in MS power point format (pptx) can be requested at email@example.com. I will love to hear your comments on slideshare. Please share the resource materials among your peers.
The contents has been web-sourced collected over the years and developed further. If you feel the ownership of some of the content, I can acknowledge or remove as the case may be. Permissions beyond the scope of this license can be requested at firstname.lastname@example.org.
Unit 4 Railway Engineering
4.1 Coning of Wheels