Read the following email of proposal where a manager in a bank's call centre (Peter) is asking his manager (Sally) to approve a proposal to enroll his staff on a three day sales training course. From the context, try to guess what the meaning of the words/phrases in bold are.
It spun out of control because part of the software assumed Imperial units and another part assumed metric units. The units by which we now measure physical quantities is called the S.I. (System International) system established in 1960. Within this system, the most commonly used set of units in physics are M.K.S (Metres, Kilograms, Seconds) system. The basic units are shown in Table.
Units measure a unique physical property such as length, mass or time. The most common units used in. non-scientific writing are listed on the front page. A prefix is a way of multiplying or dividing the unit by 10, 100, or 1000 etc.