<prompt> Translate the following text to SwahiliThe first is for presorting, the second for putting on barcodes and assuring machinability, the third for drop shipping, and the fourth for being letter-sized instead of flat-sized.  <response>: Kwanza ni kwa ajili ya presorting, pili kwa ajili ya kuweka juu ya barcodes na kuhakikisha machinability, ya tatu kwa ajili ya drop shipping, na ya nne kwa kuwa barua-ukubwa badala ya gorofa-ukubwa. 