11-09-2017, 09:57 PM
Master Hall (I use the term in the old master/journeyman/apprentice manner) I congratulate you on your retirement. I also want to thank you for producing teaching videos of such a high caliber they can be used for generations to come.
Sincerely,
Stan Lightner, EdD
retired Industrial Technology professor, toolmaker & machinist, US Navy Machinery Repairman Second Class (E-5)
Sincerely,
Stan Lightner, EdD
retired Industrial Technology professor, toolmaker & machinist, US Navy Machinery Repairman Second Class (E-5)