James Coe 2007 How to Use PowerPoint A Guide

James Coe 2007 Pros and Cons Can help to illustrate your point if you get the balance right. Too much information on one slide can confuse or switch off your audience.

James Coe 2007 Too Much Asbestos (a misapplication of Latin: asbestos "quicklime" from Greek ἄ σβεστος: a, "not" and sbestos, "extinguishable") describes any of a group of minerals that can be fibrous, many of which are metamorphic and are hydrous magnesium silicates. These minerals, together with their occurrences, uses, and associated hazards, have been discussed in detail by Guthrie and Mossman (1993).LatinquicklimeGreekmetamorphichydrousmagnesiumsilicates The name is derived for its historical use in lamp wicks; the resistance of asbestos to fire has long been exploited for a variety of purposes. Asbestos was used in fabrics such as Egyptian burial cloths and Charlemagne's tablecloth (which according to legend, he threw in a fire to clean). Asbestos occurs naturally in many forms (see below); it is mined from metamorphic rocks.EgyptianCharlemagne When asbestos is used for its resistance to fire or heat, the fibers are often mixed with cement or woven into fabric or mats. Asbestos is used in brake shoes and gaskets for its heat resistance, and in the past was used on electric oven and hotplate wiring for its electrical insulation at elevated temperature, and in buildings for its flame-retardant and insulating properties, tensile strength, flexibility, and resistance to chemicals. The inhalation of some kinds of asbestos fibers, however, can cause a number of serious illnesses, including cancer. Many uses of asbestos are banned in multiple countries.cementbrake gasketstensile strengthinhalationcancer Hard to follow isn’t it?

James Coe 2007 Too Technical Other asbestos –Other regulated asbestos minerals, such as tremolite asbestos, CAS No , Ca2Mg5Si8O22(OH)2; actinolite asbestos (or smaragdite), CAS No , Ca2(Mg, Fe)5Si8O22(OH)2; and anthophyllite asbestos, CAS No , (Mg, Fe)7Si8O22(OH)2; are less commonly used industrially but can still be found in a variety of construction materials and insulation materials and have been reported in the past to occur in a few consumer products. Other natural and not currently regulated asbestos minerals, such as richterite, Na(CaNa)(Mg,Fe++)5[Si8O22](OH)2, and winchite, [ ](CaNa)Mg4(Al,Fe3+)Si8O22(OH)2, may be found as a contaminate in products such as the vermiculite containing Zonolite insulation manufactured by W.R. Grace and Company. These forms of asbestos are no less harmful than chrysotile, amosite, or crocidolite.CavermiculiteZonoliteW.R. Grace and Company –Only for an audience of boffins.

James Coe 2007 Good Balance When asbestos is used for its resistance to fire or heat, the fibres are often mixed with cement or woven into fabric or matscement The inhalation of some kinds of asbestos fibres, however, can cause a number of serious illnesses, including cancerinhalationcancer Not too technical. This amount of text can prompt you to talk, not read it out.

James Coe 2007 Don’t overdo the images

James Coe 2007 Good Balance Sub heading Text The information on this website will be of particular interest to employers, asbestos contractors and others with duties under asbestos regulations, together with those workers currently at greatest risk from exposure to asbestos.