The earth is divided into three main layers: Inner core, outer core, mantle and crust. The core is composed mostly of iron (Fe) and is so hot that the outer core is molten, with about 10% sulphur (S). The inner core is under such extreme pressure that it remains solid.

Defines how the activities are grouped together in P3 working area. Click "Format" menu then select "Organize". Press the "+" sign just below the label "Group By" and select the criteria from the drop down list which you want to use for grouping.

To define a calendar in Primavera P3, click Data in menu and select "Calendars" from the drop down menu. Click holidays to add new holidays.

Materials which have substantially greater ability to absorb sound than other conventionally used materials (wood, glass, concrete) are called acoustic materials. A majority of tiles used for acoustic purposes are made from wood, cane fibers matted and bonded into sheets of various thickness ranging from (3/16) in to (5/4)in. The sheets are cut into tiles of different sizes.

ATIS for arterials provides information on arterial conditions (e.g., travel speeds, travel time, incidents) to motorists through such media as websites, radio, television, or personal devices. This limited dissemination is in part due to the lack of surveillance on arterial streets. Another challenge is the absence of a commonly understood method of describing