TF(term inside of a doc)= Variety of occurrences of that phrase in doc / Variety of words in doc Clever grids make use of automation to optimize Vitality distribution and use. Companies for instance Siemens deliver automation solutions for electricity plants, applying predictive servicing to prevent downtime and improve trustworthiness. https://summit-company-sdn-bhd32198.blogzet.com/top-guidelines-of-customer-relationships-51662564