Portable Power Tools
<h1>WORKSHOP SAFETY</h1> <p>CONTENT</p> <ol> <li>Introduction to Workshop Safety</li> <li>Meaning of Workshop Accident</li> <li>Causes of Workshop Accident</li> <li>Workshop Safety Rules</li> <li>Types of Accidents in the Workshop</li> <li>Workshop Safety Devices</li> </ol> <p> </p> <h2>Introduction to Workshop Safety</h2> <p><strong>Safety</strong> is freedom from danger. It is protection from risk of harm or injury. It is also protection against damage to machines, tools as well as the prevention or removal of factors that can lead to accident. Safety must be ensured in the workshop.</p> <p>A<strong> workshop</strong> is a place where technical and engineering works are carried out.</p> <p><strong>Workshop safety</strong> is protection from risk of harm or injury to humans or damage to machines and tools in the workshop.</p> <p> </p> <h2>Meaning of Workshop Accident</h2> <p>An accident is an unexpected event resulting in injury, illness or death as well as damage to property. Accident occurs as a result of hazards. Hazard is both an unsafe condition and unsafe act. It makes an accident to occur. Hazard is, therefore, any activity, situation or substance that causes harm or injury to someone in a workshop while he/she is working.</p> <p> </p> <h2>Causes of Workshop Accident</h2> <p>The basic causes of accidents are unsafe conditions of machinery, equipment, or surroundings, and the unsafe actions of persons that are caused by ignorance or neglect of safety principles.</p> <p>The following are the causes of workshop accidents:</p> <ol> <li>Lack of safety devices.</li> <li>Failure to use safety devices provided.</li> <li>Failure to follow laid-down methods for handling tools, equipment and machines.</li>
<h1>MARKING OUT TOOLS, MEASURING TOOLS, AND GAUGE</h1> <p>CONTENT</p> <ol> <li>Marking Out Tools</li> <li>Measuring Tools and Gauge</li> </ol> <p> </p> <h2>Marking Out Tools</h2> <p>These are hand tools used for marking out the required shapes of a particular metal from the sheet metal before cutting in the metal workshop. Examples are:</p> <h3>(i) Surface plate</h3> <p>This is used for checking the alignment and flatness of the object.</p> <h3>(ii) Surface table</h3> <p>This is used for marking out large objects, for checking accuracy, for height alignment and checking parallelism.</p> <p><img class="size-full wp-image-36693 aligncenter" src="https://classhall.com/wp-content/uploads/2018/06/surface-plate-surface-table.jpg" alt="Marking Out Tools, Measuring Tools Driving Tools and Cutting Tools - Surface plate - Surface table" width="498" height="179" /></p> <h3>(iii) Scriber</h3> <p>This is used for marking out straight lines on metals in conjunction with other marking out tools.</p> <h3>(iv) Centre punch</h3> <p>This is used to locate the centre of a hole to be drilled.</p> <p><img class="size-full wp-image-36694 aligncenter" src="https://classhall.com/wp-content/uploads/2018/06/scriber-and-centre-punch.jpg" alt="Marking Out Tools, Measuring Tools Driving Tools and Cutting Tools - Surface plate - Scriber - Centre punch" width="410" height="195" /></p> <h3>(v) Dot punch</h3>