A pressure measurement can further be described by the type of measurement being performed. There are three types of pressure measurements: absolute, gauge, and differential. Absolute pressure measurement is measured relative to a vacuum (Figure 2).
For example, the median tenure of workers ages 55 to 64 (10.1 years) was more than three times that of workers ages 25 to 34 years (2.8 years). Also, a larger proportion of older workers than younger workers had 10 years or more of tenure.
The Commission awarded all national system employees (excluding state government employees) a 3% increase on top of the minimum wage, effective from the first pay period commencing 1 July 2014. Currently the minimum wage for a full time employee aged 21 and over stands at $622.20 per week or $16.37 per hour. With the increase, the national minimum wage for a full time employee aged 21 and over will increase to $640.90 per week or $16.87 per hour. The increase applies to minimum entitlements only.