After I retired as a Physical Therapist, I co-facilitated a Brain Injury support group at the Eww Medical Department in Eugene, Oregon.
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For a complex project with the potential for injury, I would consider hiring the assistance of a professional.
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PS:
I closely watch YouTube videos by Will Prowse about various photovoltaic systems.
Part-way through -- and this happens every time -- I think 'I am really understanding this time'... all the while knowing I am a better landscaper or cook than I will ever be a solar tech.