- operated without the use of manual efforts
- a mechanical failure
- a sudden discovery or development
SORRY, BUT YOUR FREE VIEWS HAVE RUN OUT!
"We hope you have noticed that this site is not like the others. It is free from advertising, spyware, and annoying clickbait. Therefore, we rely 100% on our user base for financial support. In fact, this site would not exist without the support of our hundreds of loyal subscribers. Your support begins with a free registration. Thank you."