Cargo
carried by liner shipping has come to be known as general cargo. Up to the beginning of the 1960s, i.e. before
containerization, such cargo was transported in various forms of unitization (packaging), such as pallets, slings, boxes, barrels
and crates, by relatively small ships, known as general cargo ships, cargo freighters, multipurpose ships, twin-deckers or multi-deckers. These were ships
with holds (cargo compartments) in a shelf-like arrangement, where
goods were stowed in small pre-packaged consignments (parcels) according to
destination (see Figure).
This
was a very labor-intensive process[1] and
ships were known to spend most of their time in port, waiting to berth, load or
discharge. Seafaring was fun[2] in those days, but congestion was a chronic problem in most ports,
raising the cost of transport and hindering the growth of trade. Equally
importantly, such delays in ports made trade movements erratic and
unpredictable, obliging manufacturers, wholesalers and retailers to keep large
stock. As a result, warehousing and carrying (capital) costs were adding up to
the cost of transport, making final goods more expensive and, again, hindering
international trade and economic development. Cases have also been known
where inefficient ports were welcomed, if not deliberately pursued, by
governments, as an effective tariff and barrier to foreign imports. (see: Gigantism in container shipping here).
HE Haralambides
[1] Labor productivity in those days
was roughly 1 ton per man-hour; with containerization, this went up
hundredfold. In the first case, a docker would climb up the gangway 10 times an
hour, with a sack of rice on his shoulder. In the second, a crane-driver would
load 20 containers of rice onboard the containership, comfortably seated and
handling a “joystick” from the warm cubicle of a ship-to-shore gantry-crane, or
from the terminal office, or even from his home! The first docker would be paid
peanuts (if he was lucky) while the second has a salary every worker in the
world would envy today.
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