7-8kgs are OK, but it does depend on drum size. If a 7kg washing machine's drum is smaller than a 5kg's drum, then that's silly. Of course some people are big families and do require large loads, hence there are needs for a larger washing machine.
Subject-matter jurisdiction. Subject-matter jurisdiction is the authority of a court to hear cases of a particular type or cases relating to a specific subject matter. For instance, bankruptcy court only has the authority to hear bankruptcy cases.
A federal court's power to hear any case where the amount in controversy exceeds $75,000 and no plaintiff shares a state of citizenship with any defendant. See 28 U.S.C. Â§ 1332(a). Diversity jurisdiction is one of the two main types of subject-matter jurisdiction in federal court (the other being federal question jurisdiction). See Subject-matter jurisdiction.