<prompt> Translate the following text to EnglishHii ni licha ya ukweli kwamba mechanization kidogo ilikuwepo katika Huduma ya Posta kabla ya 1970 na kiasi kikubwa kiliongezwa katika miaka ya 1970.  <response>: This is in spite of the fact that little mechanization existed in the Postal Service prior to 1970 and large amounts were added in the 1970s. 