Probably re-plowing old ground, but an update won't hurt.
Accidents often occur when we lose concentration on repetitive tasks. When performing such tasks, an occasional break to review the processes may help to avoid a mishap. This article explains why: http://www.sciam.com/article.cfm?id=...dless-mistakes
(Ignore "get the rest of this article now" - that's the entire article. I suppose that longer articles would enable a link cursor.)
According to my interpretation, a brief review resets our brain's components so that all of them are again singing from the same page; or for a different metaphor, synchronizing their watches.
Stop and think. Stay safe.
Joe
