As deck boats have become bigger and broader and pontoon boats have become more powerful, performance-ready and posher, the two categories have drawn closer. Sporty and stylish, deck boats come in a variety of configurations, from sunpad-topped sterndrive power to outboard engines directed by single-side console.
Vacuum forming is a technique that is used to shape a variety of plastics. In school it is used to form/shape thin plastic, usually plastics such as; polythene and perspex. Vacuum forming is used when an unusual shape like a dish or a box-like shape is needed.
Ammonia (NH 3) is a compound [compound: A compound is a substance formed by the chemical union (involving bond formation) of two or more elements. ] of nitrogen and hydrogen. It is a colourless gas with a choking smell, and a weak alkali which is very soluble in water.