- 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.
- What Is a Funny Car?
A funny car is a purpose-built drag racing machine with a hinged body, huge rear tyres and immense power. Learn how it works and why it has that name.
- What Is a Diplexer?
A diplexer combines or separates two frequency bands so they can share one cable. Learn how it differs from a splitter and where it is used.