A software project is running late, so a software project manager looks to find slack time and reassign resources to get things done more quickly
A consulting company assigns extra resources to a project to compensate for possible attrition
A photographer brings an extra camera body to a shoot, in case one breaks down.
A caterer notices that the crudités are all gone and assigns a chef to make more
A builder hangs a door.
The construction crew worked 46 hours of overtime in March.
The software project team builds software
The cable repair technicians takes an average of four hours per job.
A wedding photographer sends the photo proofs to the client.