I am a retired engineer who enjoys learning and teaching.

Material presented in these videos are based on my own personal experience and they are not professional advice. Therefore, please view and use the material presented at your own risk.

If you agree or disagree with the content, comments are always welcomed. Please keep them clean and professional.


4:00

Shared 1 year ago

298 views

8:53

Shared 4 years ago

1K views

8:59

Shared 4 years ago

1.4K views