1.      Hardwood

Timber produced from broad-leaved trees.

2.      Softwood

This timber is usually obtained from pine, fir, spruce or larch trees. Most structural timbers are softwood

3.      Plywood

Plywood is a man-made sheet material made up of opposing layers and is used often for its strength and resistance to warping/shrinking.

4.      MDF

Stands for medium density fiberboard. It’s a really versatile man-made material and is available in a sheet form which is ideal for shelves, window boards and pipe boxings as well as pre primed mouldings such as skirtings and architraves.

References

·         Motivate Series- Woodwork Technology, Macmillan Texts for Industrial, Vocational and Technical Education, by J.K.N. Sackey

·         Woodwork Theory, Metric Edition. Book 2, by P.F.Lye

·         The Complete Practical Woodworker: A Comprehensive and Easy-to-Follow Course for the Home Woodworker, by Stephen Corbett