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.
To give you a general idea of how big one millimeter is when converted to other units of measurements, below is a list of a few conversions you may want to keep in mind so you can have these handy when the need arises. One Millimeter Compared to One: Inch â is equivalent to 0.03937 of an inch. Centimeter â is equivalent to 0.10 of a centimeter. Meter â is equivalent to 0.001 or one-thousandth of one meter. Foot â is equivalent to 0.00328084 of a foot.