Requirements regarding the experience of the employee's host bus must have knowledge of and specialize in the Bangkok route. Other companies do not have trouble supplying people, but the pay rate is different.
Requirements on the employees experience an extra car that requires knowledge and expertise on the route. The Company does not have the large ones. But wage rates are different. The company has charged the same rate.
Requirements about the experience of the staff driven to have knowledge and expertise in Bangkok. The company has no problem in supplying Seung. But the wage rate is different.