The effective cross sectional area of a thread when subjected to a tensile force. It is based upon a diameter which is the mean of the pitch (or effective) and the minor (or root) diameters of the thread. The use of this diameter stems from the work of E. M. Slaughter in the 1930's.
The Cocktail Hour. For other uses, see Cocktail hour (disambiguation). The Cocktail Hour is a comedy of manners by A. R. Gurney. It premiered in June 1988 in San Diego, California at the Old Globe Theatre and, on October 20, 1988, in New York City at the Off Broadway Promenade Theatre.
Days or First Shift: 6am - 2pm or 7am - 3pm. Evenings or Second Shift: 2pm - 10pm or 3pm - 11pm. Nights or Third Shift: 10pm - 6am or 11pm - 7am. These are not exact times; most shifts are actually 8.5 hours with a 30 minute unpaid lunch break factored in. My current shift is 2nd/Evening from 2:45pm to 11:15pm. 1st is 6:45am to 3:15pm, 3rd is 10:45pm to 7:15am, and there are a few nurses on 12 hour shifts from 6:45am to 7:15pm or 6:45pm to 7:15 am.