Is it better to be an assembler in a medical factory or to drive a machine

Driving a machine is good. The machine is relatively easy. Assembly workshop, although quiet, but has been standing or sitting with two hands constantly working and a day to do more than ten hours, the salary of the general laborer is the base salary plus overtime, so you have to keep working overtime wages are high, no matter what factory to do general labor is very tired long working hours. The work of the general laborer is simple and no pressure.