By his creative efforts man has applied a highly-developed technology to shipping which enables ships to sail virtually unaffected by unpredicted and often destructive natural forces.
Ngesiphiwo sokuyila indoda isebenzise uveliso oluphezulu lobugcisa jikelele ekushishineni ngeenqanawa, le inceda inqanawe ihambe ingacaphazeleki, ingaqikeleleki kwimimoya emibi evuthuzayo.