Skip to content
  • What Is a Cab Card?
    A cab card is the registration certificate carried in an apportioned commercial vehicle under the International Registration Plan. Learn what it shows and why it matters.
  • What Is a Cripple Wall?
    A cripple wall is a short framed wall between a home’s foundation and first floor. Learn why it exists, why earthquakes expose weaknesses, and how retrofits work.
  • What Is a Flotilla?
    A flotilla is a group of boats or small ships travelling or organised together. Learn how naval, sailing, rescue, and civilian flotillas differ from fleets.
  • What Is a Catechist?
    A catechist teaches and helps others understand the Christian faith, especially within the Catholic Church. Learn the role, training, duties, and history.
  • What Does a Distributor Cap Do?
    A distributor cap routes high-voltage electricity to each spark plug in the correct firing order. Learn how it works, why it fails and when to replace it.