Use "work shift" in a sentence

1. Looking at his watch, he saw that his work shift was nearly over

2. He had been working hard everyday, not as hard as the pickers, but hard enough to bring a continual sweat to his brow throughout the freezing fourteen-hour work shift

3. Since the ship had to operate on a continuous basis and thus employed multiple work shifts, the cafeteria always served items suitable for either breakfast, lunch and dinner, and this at all times of the day and night

4. The folder marked “Band Gigs” had become noticeably fatter than the one marked “College course”, and the wall calendar on which he plotted work shifts was blank