Xenforo forums over the past few months have been seeing spam posts from existing user accounts. Bots hitting forums using lists of emails/passwords leaked elsewhere. We strongly recommend that all users change their password ASAP.
A railroad drawbridge over a canal is to pivot upward, so boats can pass under it.
For trig students this is a good problem. The end-plate of the bridge span, where it lifts away from the rest of the track, cannot be due vertical in its rest position. If it were, the plate would jam as the span...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.