They can also be small one man operations serving a limited number of local and foreign clients in a small country.
In 1961 the control houses were upgraded to allow single man operation.
The route was changed from one man operation to Routemaster operation for a period between 1980 and 1987.
It was at this point that everything changed, he went from being a DJ and a 'one man operation', to a huge company overnight.
Two combination trams were also converted to one man operation for use on the Gardens route.
But monopole mining was still a one man operation.
The locomotives originally required two men to operate, but were modified in service to allow for one man operation.
Between 1982 and 1983, the trams were converted to one man operation.
Between 1928 and 1932, 75 first-generation trams were rebuilt to allow one man operation.
There are several politically oriented groups, but many of these are one man operations with little financial or popular support.
