[USMA:21448] Spain trip review

[Wizard of OS]

hi,   I've been to spain last week and what I saw emberassed me a lot!   following things I've seen:   Kg, Kg., Kgs, Kgs., KG, Km, Km., Kms., Kj, Kcal, KW   small k was less used   it seems spain has absolutely now idea about the prefixes