The foremast supported a structure called the' fore top', while the mainmast supported the main derrick, which was used for hoisting the boom boats.
Imasti engaphambili yakhusela isakhiwo esibizwa ngokuba yi "ngumphambili womphezulu' ekubeni imasti enkulu ikhusele isilenge esikhulu, esasisetyenziswa ekunyuseni ingalo yesilenge yezikhephe