Standard lengths are based on lengths required for swingweights to be in “normal” acceptable ranges at standard head weights. With the variety of shaft weights, both in woods and irons, variations in these lengths may be necessary to achieve desired swing weight rate readings., Counterclockwise at the bolt spline The bolt head and washer face are equal in area causing high friction and rotational resistance. The nut bearing surface is 50% or less in area, and is lubricated, therefore has the lowest friction and rotation occurs., This section describes what public works contracting programs involve and internal structures that are typically used to plan, bid, contract, and manage public works contracts in the State of Washington., BCSA Limited is the national organisation for the Steel Construction Industry; its Member companies undertake the design, fabrication and erection of steelwork for all forms of construction in building and civil engineering., The survey included both quantitative and qualitative components, with the quantitative portion asking teachers to list the book-length works for each grade level they taught during the 2002-2003 and 2003 2004 school years., .