The quantum sensors will provide highly accurate measurements that will help to detect the rate of change of the track and subsequently, any deteriorations which might lead to faults.

I'll slot you in between my 3 o'clock and 4 o'clock appointment.

As we entered Chek Hom—my mother's village—the portraits my parents had drawn vanished into the dusty air, replaced by actual people, deeply lined and tanned, going about their business in town.

The message is that we need language features that deal with schematic and linguistic discrepancies.