Although your state may not have formal licensing requirements, home inspection takes a high level of knowledge and skills to enter this very specialized industry. (kapre.com)
This all transpired without formal licensing; neither business schools nor America are any the worse off because Bill Gates and Michael Dell never obtained an M.B.A.. (educationnext.org)
The technician hoping to enhance his / her marketability and skills will opt for formal licensing or formal education in specific areas such as landscaping, air - conditioning, electrical work, plumbing, heating and power systems. (jobdescriptionandresumeexamples.com)