Click on the Task button to create tasks for the project

Under Job Task, you can add the tasks list for tracking and Timesheet or Jobsheet

Choose Project Work Activity from the dropdown list

If the task requires labour, select the Labour activity. If it requires Plants, select the Plant activity. And if it involves the transportation of materials, select the Cartage activity

Enabling the 'Hidden' option should conceal the task from both the Timesheet and Jobsheet

Click on Update to save