The most active period of social movement rhetoric in the 20th century was the 1960s. This period roughly begins with a build-up from the Brown v. Board of Education of Topeka Supreme Court Decision of 1954. This desegregation decision began the Civil Rights movement.
Either way, a Safety Data Sheet, SDS, is designed to provide both workers and emergency personnel with the proper procedures for handling or working with a particular substance.
Â© Ted French. Definition: A worksheet or sheet is a single page in a file created with an electronic spreadsheet program such as Excel or Google Spreadsheets. A worksheet is used to store, manipulate, and display data. Each worksheet is composed of a very large number cells-which are the basic storage unit for data in a file or workbook.