Primary, secondary and tertiary sectors. There are three main types of industry in which firms operate. These sectors form a chain of production which provides customers with finished goods or services. Primary production: this involves acquiring raw materials.For example, metals and coal have to be mined, oil drilled from the ground, rubber tapped from trees, foodstuffs farmed and fish trawled.ertiary production: this refers to the commercial services that support the production and distribution process, eg insurance, transport, advertising, warehousing and other services such as teaching and health care. Your web browser does not have JavaScript switched on at the moment.
A millimeter is smaller than a centimeter. A millimeter is  one-thousandth of a meter and a centimeter is one-hundreth of a  meter.  10 mm = 1 cm.  1 cm = 10mm . 14 people found this useful. Edit.
A centimeter, sometimes also written âcentimetreâ or abbreviated cm, is a unit of measurement in the metric system that is equal to one hundredth of a meter.Accordingly, there are exactly 100 centimeters per meter.ne centimeter is equal to 0.4 inches. Conversion to inches is achieved by multiplying the smaller unit by 0.39. Distance normally is measured in meters so that one mile would be the equivalent of 1.6 kilometers, or about 160,000 centimetres. Great Britain adopted the metric system in 1965.