Since that date, to the study of each: But each individual to perform behaviors that do not match, the device has been used 6sb plan 7SB section has not been used.
Because the phase of each study ergonomics. Each Member of the behavior that does not match the plan 6sb the use of 7SB not use the day to explore the device, while you repair and maintenance do not see the use of which has behavior that is over. or less
Due to the fact that the days to study the ergonomics, each time. But ละไล inn each to the mismatch, such as plan 6sb devices are used, the 7SB no use. .