------------- Secondary (high) school graduation certificate
Tasks
--------- Perform pre-operational inspection
Operate cranes equipped with dredging attachments to dredge waterways and other areas
Assemble tower cranes on site
Operate gantry cranes to load and unload ship cargo at port side
Clean and pile salvaged materials
Perform routine maintenance work
Clean up chemical spills and other contaminants
Remove rubble and other debris at construction sites
Tend or feed machines or equipment used in construction
Clean and lubricate machinery and equipment
Assemble wood products such as window sashes, doors, boxes, pallets, ladders and barrels