Education: Secondary (high) school graduation certificate. Tasks: Load, unload and transport construction materials. Perform pre-operational inspection. Mix, pour and spread materials such as concrete and asphalt. Perform routine maintenance work. Clean up chemical spills and other contaminants. Tend or feed machines or equipment used in construction. Security and safety: Bondable. Experience: 1 year to less than 2 years. Employment terms options: To be determined. Green job: Involves duties and responsibilities that lead to positive environmental outcomes.