On June 25 the engineers were able to repeat this experiment several times, but were unable to get a similar result from other cars in service on the ride.
(the engineers; were; able to repeat this experiment several times; T:On June 25) (the engineers; to repeat; this experiment; T:several times) (the engineers; were; unable to get a similar result from other cars in service on the ride; T:On June 25)
the engineers the engineers the engineers
were to repeat were
able to repeat this experiment several times T:On June 25
this experiment T:several times
unable to get a similar result from other cars in service on the ride T:On June 25