school and no letter has been sent to any school to attract knowledge if a student takes an exam in atmani school , he has completely violated the regulations and the programs that are going to be implemented in these schools. is this optional or mandatory according to the management regulations? if a student participates in these classes, the fee must be paid. he doesn't want to , it's completely optional, and he can't use the training knowledge and he can't pay any fees. admitting and agreeing to pay the fine, this company has been facing many problems in its planes in recent months is. one of the most admirable american companies was the promise of the aerospace industry, boeing, an admirable company that the american executive says now admitted its mistakes that caused the crash of two planes and agreed to pay a fine. hamm pleaded guilty to conspiracy to defraud in connection with the fatal crashes of two 737 airliners that killed 346 people. in 2018, a lionair flight crashed into the java sea less than a minute after takeoff from jakarta, indonesia, killing all 189 passengers on board