Footnote
b Kunconyelwa ukuba ibhinqa elikhulelwe linomzimba ofanelekileyo lithi chatha ngeekhilogram ezisi-9 ukusa kwezili-12 kumlinganiselo wobunzima balo. Ukanti amabhinqa akwishumi elivisayo okanye angondlekanga afanele athi chatha ngeekhilogram ezili-12 ukusa kwezili-15 kumlinganiselo wobunzima bawo, ngoxa amabhinqa atyebe ngokugqithiseleyo afanele athi chatha ngeekhilogram ezisi-7 ukusa kwezisi-9 kumlinganiselo wobunzima bawo.