It has always been, from my experience, a most trying and difficult assignment to learn and absorb the many various configurations of lights and shapes identified in the International Regulations.
Isoloko injalo, ngokwamava am, ingowona mmiselo womsebenzi uzanywayo nonzima ukufunda nokufunxa izimo nokwakhekha okuninzi kwezibane nezimo ezichazwe okanye ezichongwe yimimiselo yezizwe ngezizwe.