the flight deck of the Airbus A380

The men got into position for the cast, two at the ladle, two with long rods, all with heavy clothing.

Before too long, they'll be bussin' 'em up from Seattle to take my fish.

The total duration from sign-on to sign-off is called the spreadover of a shift. Many of the scheduling rules are dependent on ranges of spreadover lengths. Often, scheduling methods would simply cost a shift by its spreadover since actual wage cost is usually proportional to spreadover.