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4.1.1 A hierarchy of causes Consider the difference between the relative safety of car and air travel in relation to the following points. A car travels on the ground and not at 10 000 m in the air. Compare the e 4.1 Introduction Annual costs to employers from accidental injury and occupational illness are on the order of 5–10 per cent of the gross profits of UK industry. The total social cost, including the cost of benefits and National Health hospitalisation and treatment, make this a truly staggering drain on the nation's coffers! 3.2 Multiple causes Now we will explore multiple causes using an example familiar to us all – road accidents. The deaths of about 10 people each day on the UK's roads are less dramatic than, for example, the capsize of the Herald of Free Enterprise, but one feature that links them both is the element of risk associated with everything we do – and even with inaction. We have just seen that many factors contribute to the risks which result from the inherent hazards associated with something we do. 3.1.1 The cause A small digression will be made here to question the use of the word ‘cause’ and to reflect on the view expressed by Kletz (1988, p. 2). He argues that the word has an air of finality about it, and is concerned that finding the cause discourages further investigation. He cites an example that the cause of a pipe failure was corrosion – which suggests that we know why the failure occurred. He draws the analogy of the cause of a fall being gravity – suggesting that nothing more can 3.1 Types of incident Now we can progress to an examination of some incidents by studying selected reports and publications. Returning to the word ‘accident’, we can cite another definition: An accident is an undesired event which results in physical harm and/or property damage. It usually results from a contact with a source of energy above the threshold limit of the body or structure. (Kuhlman, 1977, p. 5) 2 Setting priorities Consider whether the relative economic aspects should determine the degree of priority given to different aspects of the risk scenarios in Figure 1. 1 Safety, health and environmental management – a risky business! While views on management differ, Safety, Health and Environmental (SHE) management is merely a subset of management to which the same generalities apply. Indeed, at the end of this unit we will see indications of the integrating concepts being promoted by organisations. However, for the present we can translate the key actions of management into: Plan – anticipate problems before they occur, and plan for prevention rather than remedying pro 6.3 The architecture Winter Lecture Series - 2010: Achieving a tobacco-free New Zealand by 2020 - why it must happen and Seismic waves State Data Map neoK12: Geometry Reading in the Mathematics Classroom Meet the Author Silvia Dominguez
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What is ‘e-commerce’? This unit will look at typical application areas including the internet, supply chain management and online auctions. It will also help you to understand the underlying technologies used to implement e-commerce applications before looking at some of the problems that can be encountered when developing distributed e-commerce systems.
The Māori Affairs Select Committee’s investigation into the tobacco industry has invigorated the debate about becoming tobacco-free, and placed New Zealand at the forefront internationally of reducing the impact of tobacco on health in a similar manner to our nuclear-free stance in the 1980s. Professor Edwards investigates the need for a tobacco-free New Zealand and explores the best options for achieving the 2020 vision.
Held September 30, 2010.
What causes seismic waves and how do they travel through the Earth? This instructional tutorial, part of an interactive laboratory series for grades 8-12, introduces students to seismic waves caused by earthquakes. Students answer questions as they move through the tutorial and investigate how P and S waves travel through layers of the Earth. In one activity, students can produce and view wave motion in a chain of particles. Scored student results are provided. A second activity introduces Love
Information can be represented in many ways; this applet allows the user to represent data about the states using color. The state with the highest data value is darkest; other states are shaded proportionally. Several sets of data are already entered and available for examination: state population, land area, representatives in Congress, gasoline usage, and more. Users can eliminate the data from any state in order to note the consequences, or enter their own data. A box plot and table accompan
A set of 15 videos showing brief lessons on geometry definitions (polygons, angles, tangents) and basic applications (finding areas, using the Pythagorean theorem). In these 2 to 10-minute lessons, a teacher uses blackboard drawings and clear explanations to deliver mini-tutorials.
Written by Diana Metsisto, a middle school mathematics coach, this online chapter involves both the “why” and the “how” of integrating reading in the teaching of mathematics. She begins with a brief but insightful summary of the theory, then offers a number of concrete classroom strategies. This is a chapter from Literacy Strategies for Improving Mathematics Instruction.
February 23, 2011 - Silvia Dominguez, Northeastern Professor, presents her book, Getting Ahead: Social Mobility, Public Housing, and Immigrant Networks which tells the story of local Latin-‐American immigrant women who live in low-‐income public housing around the city of Boston.
