(a) Facilities of a good seaport:
(i) Should have deep water.
(ii) Should have clear channel.
(iii) Should be able to supply oil, water, food, electricity and communication facilities, etc.
(iv) Should have government offices for customs control, immigration, emigration, police security, quarantine centres, etc.
(v) Should have commercial premises like warehouses, refrigerator stores, elevators.
(vi) Should have dry docks, workshops and maintenance facilities.
(vii) Cranes and fork lifts for loading and offloading should be available.
(viii) Navigable aids like buoys, should be available.
(ix) Should have facilities for dredging.
(x) Should be easily accessible (good road and rail network).
(xi) Should have a good harbor.
(xii) Should have good terminals
(xiii) Should have good rescue facilities in case of mishap.
(b) Four importance of Transport to Commerce
(i) It extends and widens market for goods and services.
(ii) It encourages distribution of goods from where they are produced to where they are consumed.
(iii) It encourages specialization — as it allows the firm to concentrate on the main line of business.
(iv) It stimulates large scale production.
(v) It influences location of industries.
(vi) It helps to increase sales
(vii) It facilitates the movement of people and raw materials.
(viii) It facilitates mobile advertisement.
(ix) It creates jobs for people thereby increasing their purchasing power / standard of living.
(x) It makes available variety of goods on the market.
(xi) It promotes International trade.