If you have an inkling of mechanical systems then this one is definitely for you. Mechanical systems can be of a kind. They are intricately prepared. 

A lot of research and testing is required beforehand before any kind of system is deployed. Metric Adapters are a common part. They are present in nearly every system now. 

It is due to their versatility factor that they have been adopted by multiple domains easily. 

Anything that has a high adjustability factor is explored by everyone. It become a common topic about which people need to know and have knowledge. 

Adapters are a very interesting topic to read about. If you are working in a sector that has their practical application then exploring them in-depth becomes extremely easy. 

Even if you aren’t then no worries! Some extra effort would be required. Find all the areas in which these adapters are used. 

If any sections are accessible to you then give them a visit. An upfront look always helps. 

Find good online videos that show you visually how everything works. Look for good quality books that people have been studying for years, now.