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.
Federal and state courts also have concurrent subject-matter jurisdiction over many issues, allowing parties to chose whether to litigate in a federal or state tribunal. Finally, it is important to recognize the far-reaching impact of the concept of subject-matter jurisdiction.