Depending on the particular circumstances of the routes on which they are employed, many general-cargo ships still spend between 40 % and 60 % of their annual operating times in port.
Uxhomekeka kwizinto ezithile zendlela esetyenziswayo iinqanawa zomthwalo ezininzi zisasebenzisa phakathi kweepesenti ezigamashumi amane nezingamashumi amathandathu ngonyaka, ixesha ezisebenza ngalo kwicala lasekhohlo lenqanawa.