The choice of a site for a gas works is necessarily governed by local circumstances; but it is a necessity that there should be a ready means of transport available, and for this reason the works Site of gas should be built upon the banks of a navigable river or works.
The cumbrous wooden carts which afford the sole means of transport in many districts are generally drawn by oxen, although buffaloes may be seen in the south.
Lack of means of transport was a principal cause of the slow progress of Angola.
There are practically no branch roads in Turkestan, and the only means of transport in bulk is either by wagon on the few main roads, or by railway.
But the trade over berg largely developed on the dis covery of the Kimberley diamond mines, and the progress of the country was greatly promoted by the substitution of the railway for the ox wagon as a means of transport.