Lithium be cut with a knife. When cut, it possesses a silvery-white color that quickly changes to gray as it oxidizes to lithium oxide. While it has one of the lowest melting points among all metals (180 °C), it has the highest melting and boiling points of the alkali metals. Lithium has a very low density (0.534 g/cm), comparable with pine wood. It is the least dense of all elements that are solids at room temperature; the next lightest solid element (potassium, at 0.862 g/cm) is more than 60% denser. Furthermore, apart from helium and hydrogen, it is less dense than
Australian Fair Pay and Conditions Standard employees covered by WorkChoices were entitled to paid annual leave. Part-time employees accrued their annual leave on a pro rata basis. Annual leave accrued for each completed four-week period of continuous service and was cumulative. Casual employees did not have an entitlement to annual leave under the Standard. Continuous shift workers received an additional week of annual leave, provided they regularly worked both Sundays and public holidays. When taking annual leave, employees were entitled to at least the basic pay rate they were on at the time of commencing the annual leave. It was possible for employees to request to