1 PETRO RIVER OIL CORP. 2  Files SEC form 8-K, Change in Directors or Principal Officers, Regulation FD Disclosure, Financ. 3  PETRO RIVER OIL CORP. 4  Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits. 5  PETRO RIVER OIL CORP.
There has been a change in the requirements for OPOTA Certified Instructors on the. number of hours of instructor training that must be received to become certified. A new. OPOTA Certified Instructor Training officer must have 80 hours of instructor training to. be eligible to receive instructor certification.
HOW TO BECOME A. WELDING TEACHER. To become a WELDING-TEACHER WELDING-INSTRUCTOR WELDING-EDUCATOR, you should first be highly skilled, knowledgeable, qualified, experienced and competent in the field of welding. In order to instruct or teach this craft to others, your background in the field of welding should be, thorough and comprehensive.