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...physical properties of minerals, including lustre, cleavage, hardness and density describe, giving mineral examples, the main differences between metallic, ionic and covalent structures and their type of bonding explain the significance of various types of defects in crystals explain the meaning of the terms lattice, unit cell, reflections and rotational symmetry, and how...

...physical character. The specialist answers questions on gender, age, ethnicity, stature, nutritional status, existence of disease processes, and the presence and character of skeletal trauma. Early pioneers of forensic anthropology included Thomas Dwight, whose book The Identification of the Human Skeleton: A Medico-Legal Study (1878) was used successfully in a court case...

...physical and emotional change, brain development in particular, so it is important to understand the underlying reasons for changes in mood and behaviour. Mental illness affects people of all ages, including adolescents. Specific criteria for a clinical diagnosis will need to be met, and it is important to distinguish mental ill health from ‘transitional’ teenage...

...Physical forms Joint properties Joint materials Applications Natural Starch, dextrin, animal and fish glues, casein, rosin, shellac, Canada balsam and gums Solvent dispersions, emulsions, pastes, solids and powder Low strength, poor moisture resistance Paper, cork, textiles, wood, some plastics Industrial packaging and other rapid set assemblies Elastomers Natural and...

...by HSS with VC coating 1 5.6 Core pin for aluminium gravity diecasting using H series die 3–5 2.3–3.8 Hot forging dies 2–5 — Extrusion dies 2–15 — Steel powder compaction 10–30 — Plastic moulding 5–10 — Aluminium diecasting 2–10 — See Also: Chemical vapour deposition (CVD), Physical vapour deposition (PVD), Electroless plating and Electroplating....