1970's NUS training Series Positive Displacement Pumps, Unit One

[@AkshayKumar-po5sh]

All the videos of this channel are very knowledgeable and necessary for everyone, like students or for even professionals. Thanking you for all these, Erik hamm.

[@erikhamm4478]

You are welcome :)

[@sathishkumarrasu5524]

Old is Gold

[@Jeff-es1yr]

Thank you for sharing, sir! It is always a good choice going back to fundamentals.

[@erikhamm4478]

Indeed!

[@mouzaliabdelhak9776]

thank you for sharing this vedio it was realy helpful

[@erikhamm4478]

You are welcome :)