A welding certification is a hands-on, practical welding test that students must take, however, it is not required for them to pass in order to graduate.

Possibly. The date and type of felony are important factors. Employment opportunities are increased for those who have been released from prison or terminated their probation seven or more years ago, especially if there have been no additional significant charges during that time.  

The four most common welding processes taught are:
SMAW (Stick)
GMAW (MIG)
FCAW (Flux Core)
GTAW (TIG)
 
Students also learn: 
OFC/W (Oxy-Fuel Cutting/Welding/Washing)
CAC/G (Carbon Arc Cutting/Gouging)
PAC/G (Plasma Arc Cutting/Gouging)

Welding is a very diversified field; salaries are also diversified. Entry-level welders can make between $12-$20 per hour. Experienced welders can make from $28,000 - $80,000+ annually.

They have good attitudes, demonstrate self-discipline, good hand-eye coordination, and the ability to solve problems. A good attendance record and class participation are traits that successful students have in common. 

Welders are in high demand. Therefore, graduates have many options depending on individual skill levels. The welding field is booming in the Tampa Bay Area. Local fabrication and manufacturing shops are hiring from outside the Florida Area.

Welders can consider jobs in the power and energy, aerospace, shipping, automotive, entertainment (movie and music) industries. Welding is a part of most trades, and therefore, it is everywhere.                 

Occupational Employment and Wage Statistics and Occupational Outlook Handbook