The document contains 4 letters from individuals applying for jobs. The first letter is from Dias Farhan applying to be an instrumentation and control systems engineer. The second is from Asep Catur Putra applying to be an account executive. The third is from Iswandi Lubis applying for an engineering position. The fourth is from Istisari Bulan Lageni applying to be a public relations officer for the Singapore Embassy. All include details of their education backgrounds and relevant experiences for the positions.