He patented the first practical sewing machine in 1846. In 1846, the idea of a sewing machine was nothing new. The first patents for such a machine had been granted in England in 1755, in Austria in 1819, the U.S. in 1826 and France in 1830..Early sewing machines were designed for industrial applications.
Job description is a broad, general, and written statement of a specific job, based on the findings of a job analysis. It generally includes duties, purpose, responsibilities, scope, and working conditions of a job along with the job's title, and the name or designation of the person to whom the employee reports.
A classification specification is a very general description of typical duties, responsibilities, and qualifications. that apply to a specific job title, i.e. Office Assistant. It is important to note that not every position of that job title. will perform each of the typical duties. A classification is a collection of related positions that are similar enough. in terms of the work performed to form a common definition of a job title.