Definition of "standstill"

[...] but in the damp conditions prevailing the driver sensibly was unwilling to attempt the climb up through Combe Down tunnel without help, for fear of slipping to a standstill in the unventilated bore, [...].

1960 March, “Motive Power Miscellany: Western Region”, in Trains Illustrated, page 184

For the caller the advantage relies on a fast solution of his service request, leading to less standstill and non-productive periods for the service customer.

2012, James C. Spohrer, Louis E. Freund, Advances in the Human Side of Service Engineering‎