TRISTANIA laurina. Tristania laurina (aka Tristaniopsis laurina) - Water Gum. 1  Slow growing evergreen tree to 20-30 feet tall and 15-20 feet wide. 2  Blooms fragrant yellow flowers in early summer. 3  Likes full sun and moderate water. 4  Excellent tree for use in a lawn.
Definition of 'Risk'. Tweet. Risk implies future uncertainty about deviation from expected earnings or expected outcome.
When we refer to risk in relation to occupational safety and health the most commonly used definition is â risk is the likelihood that a person may be harmed or suffers adverse health effects if exposed to a hazard.â.