1622
History The multihead weigher was first invented and brought to market by Ishida , back in the early 1970s as a solution to quickly distributing vegetables of varying weight to make up packs of near-equal weight .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None