Professor explaining mounting of photovoltaic module to engineering students

horizontal industry science technology occupation education engineering guidance study classroom training learning standing sitting student usa hunt laboratory instruction mark teacher research wheelchair explaining lecturer professor innovation convenience disability trainer massachusetts new england side view mid adult science and technology rear view senior adult apprentice power indoors school energy mature adult three people three quarter length mid adult women alternative energy senior men university student adults only environmental conservation fuel and power generation caucasian appearance canton solar panel mature women solar energy solar power trainee renewable energy 40 44 years 65 69 years physical impairment adaptive solar cell norfolk county orthopedic equipment spina bifida photovoltaic cell wheelchair access front view engineering student engineering college developmental disability engineering lab stem education