Mechanical engineering
All the stuff needed for a mechanical engineer, and detailed design and components of different machines are found here.
Designing
Designs and mechanisms of different machines are found here.
Detailed structures
Also find detailed structures of different machines which are basically small in structure and also their designing details
Marine Engineering
Here you can find the topics belong to marine engineering. and new postings to a marine engineer.
Metal Formation
Casting, Welding, Heat treatment process, Brazing, Soldering, Heat transfer through materials and the foundry methods are found here.