Upamanyu Chatterjee

Howrah, India, West Bengal, India

male 30 2


Concept Types and Application of Six Stroke Engine

The quest for an engine which having the same or more power with higher fuel efficiency than the existing ones has started before many years. There is, at this day, no wonder solution for the repla...

Resource Conservation

Resources are the things from the environment which are useful to human beings. Natural resources are resources we get from nature (example: fossil fuels, water, minerals from soil). The term conserva...