Simplify the following text for a Grade 8 native English-speaking person.
Original: These powers , along with the powers to dissolve ( or refuse to dissolve ) parliament ( Section 5 , Section 57 ) , are termed `` reserve powers '' , and their use is dictated by convention .
Simplified: These powers , along with the powers to dissolve ( or refuse to dissolve ) parliament ( Section 5 , Section 57 ) , are termed `` reserve powers '' . The use of these powers is by convention .