On 28 June 2556, a day normally. However, the manufacturing and the jobs associated with the production, it is necessary to change a holiday.For example, employees who are trained as firefighters.
In a typical work day June 28, 2013, with production and production-related tasks, it is necessary to change holidays. Such an employee will come to training, fire fighting, etc.
In June 28 , 2556 is a work day as usual, but there is the work of production and the work that is associated with the need to change the production is a holidayFor example, employees who have been trained, Fire Fighter, etc.