Answer:
the technicians’ fear that they would be forced out of their habits
Explanation:
While working with someone both the parties involve come to an understanding of how each person works. According to the habits of the doctor and the technician each of them adapt to each others habit. In other words the people get used to each other.
But, changing the team of technicians would mean that they would need to adjust to the habits of the new doctor. This would mean balancing the two doctors habits by each of the technicians.
Hence, the technicians’ fear that they would be forced out of their habits.