1 From the secondhand account, the reader gets more background information about what the Oregon Trail was. 2  From the firsthand account, the reader gets a better understanding why it was so dangerous.
Printers generally age more by the number of pages printed rather than by pure years. The rule of thumb has always been whatever the recommended volume is (for instance 5000 pages per month for a P3005) multiplied by say five or six years so about 300,000 pages would be the life expectancy of the printer.
Letter Size Printer Paper. The most standard of all printer paper sizes is 8.5 x 11 paper. At 210 mm x 297 mm, A4 is the closest and most comparable of printer paper sizes outside of North America.) Letter size paper is the size of printer and copier paper reams you will find as the default paper in almost every printer and copier.