According to a program official, the inability to demonstrate system reliability contributed to a production delay of about 1 year.
A one year delay resulted from uncertainty about system reliability.
The system has long been known to be entirely safe and reliable.
financial managers gain a worse  understanding of business problems
Two people are dancing a waltz outdoors.
The unicyclist is on his lunch break.
Security in the national defense sector is critical, so they don't have any public nor private computer networks.
Excavations at the tar pits are ongoing,
The race has already completed.