create table part PT
 {
  part_id	c(7)
  loc_cd	c(3)
  weight	f
  numbers	list(20)
 }
 
create table apartoper AP
 {
  part		parent(part,oper_list,1,20)
  oper_num	c(3)
  defect_count	i
  start		c(20)
  stop		c(20)
 }
 
create table measchar MC
 {
  cut_oper	parent(apartoper,cut_measurements,1,100);
  meas_oper	parent(apartoper,measurements,1,100)
  meas		f
  person	c(20)
 }

create path MC_AP1 from measchar via meas_oper
create path MC__PT from measchar via meas_oper part
create path MC_AP2 from measchar via cut_oper