<prompt> Translate the following text to EnglishKwanza 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.  <response>: The 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. 