The manual counting of the  hands  and  bunches  of bananas (recounted in Harry Belafonte's famous  Banana Boat Song ) was mechanized in the 1960s, but the work of loading the boats is still labor intensive.
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Banana counting was mechanized in the 1960s, but the boat loading still requires heavy labor.
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The manual counting of the hands and bunches of carrots was mechanized in the 1930s.