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spec: For VHAs to remain viable and to fulfill this critical need , public trust is absolutely essential . Particularly because of the seasonal variation in climate , many organisms in northern latitudes breed only during certain times of the year , usually so as to provide the summer for offspring growth and development . Standards are important because they define common practices , methods , and measures / metrics . The solution was to use a complex series of acoustic baffles to control the sound . The second and third floor offer meeting and conference facilities for rental . In addition to the classes enumerated below , it will be noted that subclasses 18.1 + of Class 33 , Geometrical Instruments , contained original patents for flame-cutting scribers , and that Class 65 , Glass Manufacturing , subclass 113 , provides for glass preform treating including flame severing , and subclasses 269 + provides for glassworking means including flame severing means . One of the stranger manifestations of the American propensity for mob violence , the practice dates back to at least 1740 and did n't die out until after World War I - - largely , one supposes , because tar and feathers began getting hard to come by . Business leaders are discovering that the groups that developed state standards were never asked whether they could prepare most or all students to meet the standards . He most certainly would have been well aware of that territory 's struggle for liberty and justice , and in April 1862 , one year after the Civil War began , Charles Langston left Ohio for Leavenworth , Kansas " there to work among the contrabands .