Both areemployes should be must 8 hour/day in working time. So work is very fast and safely. So performance is very better.
12 hrs working shift
9 working hours, from 9:00 am till 6:00 pm
for any circumstances, the working hours can go below or above 9 hours as long as the work is done.
Straight duty for 8 hours
9 AM to 6 PM