Museum Speelkok Presents Self-Playing Musical Instruments

The Museum Speelkok in Utrecht boasts an array of self-playing musical instruments, including musical clocks, boxes and street organs, whose genesis goes back to 16th Century Netherlands. Utrecht (pronounced YOO-trecht) is the fourth largest city and municipality in the Netherlands. "Plan je bezoek" (plan your visit) now! Don't forget to check the "Openigstijden" (visiting hours) before you visit (this should be 10am to 5pm normally, "maandag t/m zondag", "elke dag" (daily)). The Vanderbilts, once America's richest family, originated from Utrecht.

What is a Sessile Animal?

A sessile animal is fixed in one place. Corals are a prime example. They "take root" on the ocean floor.

Fibreboards of Different Densities

Medium-density fibreboard is an "engineered" wood product or "man made wood" - where wood fibres (possibly broken down using a defibrator) are then combined with a wax and resin binder. It is stronger than other engineered woods like plywood and particle board. High-density fibreboard contains much more highly compressed wood fibres. Masonite (patented by William H Mason in 1924) is a form of high-density fibreboard.

Yes, Brick is a Form of Ceramic

The word ceramic derives from Ancient Greek "keramikos" (potter's, pottery).  Examples are earthenware, porcelain and brick.

Polyester Resin

Polyester resin is a low cost and waterproof material.

Afrikaans

Afrikaans, spoken in Southern Africa (mainly South Africa and Namibia), is a language derived from Dutch brought to the Cape in the 17th Century by Protestant settlers. It is spoken by about 14% of  South Africa's population (the most widely spoken language is Zulu at 23%). The ISO language code for Afrikaans is AF (ISO-639-1).

Fiberglass (US) or Fibreglass (UK)

Fiberglass is a material also known as "glass reinforced plastic" i.e. plastic reinforced with glass fiber (extremely fine fibers of glass). It is cheaper and more flexible than carbon fiber. Fiberglass is manufactured using pultrusion.