Slide 1 Slide 2  TIMBER  IRON  STEEL Slide 3  Oldest form of materials used in construction  Also used for other needs of human beings  Timber is obtained…

TIMBER Properties- Uses- Classification- Seasoning- Defects- Preservation- Tests: Hard Board & Particle Board – Manufacture & Use TIMBER • Timber denotes wood…

Genetics Genetics Cell Division Reference: Chapter 5 Principles of Cell Division Cell organization Cell  Nucleus  Chromosomes  Genes  DNA Types of Cell Division…

Tissue Repair Tissue Repair Ways of Repairing Tissue Tissue repair depends on the type of tissue damaged and the severity of the injury. Regeneration: replacement of destroyed…

1.By the end of the course you will be able to:• Name the 3 main types of asbestos • List the diseases caused by exposure to asbestos and understand the increased risk…