operator@@1	operator	worker	17
operator@@1	operator	controller	11
operator@@1	operator	driver	9
operator@@1	operator	user	9
operator@@1	operator	engineer	6
operator@@1	operator	technician	4
operator@@1	operator	agent	3
operator@@1	operator	employee	3
operator@@1	operator	manage	3
operator@@1	operator	operant	3
operator@@2	operator	manager	4
operator@@2	operator	director	3
operator@@2	operator	proprietor	3
operator@@2	operator	owner	2
operator@@3	operator	worker	27
operator@@3	operator	user	22
operator@@3	operator	person	14
operator@@3	operator	technician	11
operator@@3	operator	controller	8
operator@@3	operator	driver	7
operator@@3	operator	equipment operator	7
operator@@3	operator	agent	4
operator@@3	operator	operative	4
operator@@3	operator	mechanic	3