30+ years experience as Caterpillar mechanical engineer with focus on human factors design. Now reti
Lisle,
IL,
United States
My photo album: https://photos.app.goo.gl/7GMixSXvFgX8zERW8
My YouTube playlist: https://youtube.com/playlist?list=PLNJZ8Im3-EG6pe1v16AtGnEI27um_5XuX&si=c492gW4W7-lOVYji
