Funda ngendlela yokwenza umthambo kunye nomatshini wokuthunga usebenzisa ubuchwephesha obuphezulu, kubandakanya ukhetho lwefabhari, ukusetyenziswa komhlaba, ukhetho lwe-stabilizer, ukhetho, kunye noseto lomatshini. I-Master Rulti-Colows Riveraidery kunye nemicimbi yokucombulula iingxaki zeziphumo zobungcali.
Funda ngokugqithisileyo