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Lessons

First Aid and First Aid Materials

Complexity: Standard

FIRST AID AND FIRST AID MATERIALS Definition of First Aid First aid is the emergency medical treatment given to a victim, who suddenly falls sick or injured before thorough medical…

The Uses of Wood

Complexity: Standard

Uses of Wood Wood is used in the following areas: Furniture making for homes and offices – woods are used to make beds, tables, chairs, cabinets and other pieces of…

The Uses of Metals

Complexity: Standard

THE USES OF METALS Common Uses of Ferrous and Non-Ferrous Metals Metals could be ferrous when it contains iron and non-ferrous when it does not contain iron. The things that…

Meaning and Aspects of Rescue Operations

Complexity: Standard

RESCUE OPERATIONS Meaning of Rescue Operations Rescue operations can be described as any effort put in place, which acts as a remedy for a bad situation either to save life…

Geometric Construction: Tangents of a Circle

Complexity: Standard

GEOMETRIC CONSTRUCTION: TANGENTS OF A CIRCLE Tangent and Normal to a Circle A tangent is a straight line that touches the circumference of a circle. It is usually at right…

Steps Involved in Rescue Operations

Complexity: Standard

RESCUE OPERATIONS Different Aspects of Rescue Operations Different aspects of rescue operations include: Securing the environment Vehicles and Victims   Steps Involved in Environmental Rescue Operations The following are steps…

Geometric Construction: Triangle

Complexity: Standard

TRIANGLES CONTENT Triangle and its types Inscribed and circumscribed circles in a given triangle Triangle and its Types A triangle is a plane figure bounded by three straight lines. The…

Geometric Construction: Quadrilaterals

Complexity: Standard

QUADRILATERALS CONTENT What is a Quadrilateral? Examples of Quadrilaterals Construction of a Square Construction of a Rectangle Construction of a Parallelogram Construction of a Rhombus Construction of a Trapezium  …

Plane Figures

Complexity: Standard

PLANE FIGURES CONTENT Construction of Areas of Regular Plane Figures Construction of Plane Figures of Equal Areas   Construction of Areas of Regular Plane Figures The area of a plane…

Enlargement and Reduction of Plane Figures

Complexity: Standard

ENLARGEMENT AND REDUCTION OF PLANE FIGURES CONTENT Enlargement/Reduction of Plane Figures The Radial Method and Method of Length of Side   Enlargement and Reduction of Plane Figures An object is…

Portable Power Tools

Complexity: Standard

WOODWORK MACHINES – PORTABLE POWER TOOLS CONTENT Types and Uses/Functions of; Portable Power Tools. Introduction Before any wood can be used, it has to be cut from the forest and…

Stationary Woodwork Machines

Complexity: Standard

STATIONARY WOOD WORK MACHINES THE WOOD LATHE When turning operation is to be carried out, wood lathe machine is used. There are two kinds of turning namely: Turning between centers…

Woodwork Materials and Machines

Complexity: Standard

WOODWORK MATERIALS CONTENT Common Woodwork Joints. Uses of Non-wood Materials. Care and Maintenance of Woodwork Machines. Common Woodwork Joints BUTT JOINT Uses of Butt Joint Window frame construction Roof construction…

Metal Work Machines

Complexity: Standard

METALWORK MACHINES CONTENT Types of Metalwork Machines. Functions of the Different Types of Machines. Definition of Machine Tools A machine tool is a machine that cut metals and perform some…

Belt and Chain Drives

Complexity: Standard

BELT AND CHAIN DRIVES CONTENT Definition of Drives Types of Drives Belt Drives Chain Drives Differences between Chain Drive and the Gear Drive Similarities between Belt, Chain and Gear Drives…

Air Flow, Hydraulic and Pneumatic Machines

Complexity: Standard

AIR FLOW, PNEUMATIC AND HYDRAULIC DEVICES CONTENT Air flow Aerodynamics Hydraulic and Pneumatic Machines Description and Components of Some Examples of Hydraulic and Pneumatic Devices Principle behind the Working of …

Gear Drive

Complexity: Standard

GEAR DRIVE CONTENT Definition of Gear Drive Seizure Types of Gears Uses of Gear Power Transmission Changing Direction Selecting Speed Functions of Lubricants in Gears Importance of Applying Lubricants to…

Wood

Complexity: Standard

WOOD CONTENT Production of Wood Materials, Timber Growth and Felling. Methods of Transporting Logs. Conversion of Wood. Seasoning of Wood. Calculating the Moisture Content in Wood Properties of Good Timber…

Wood (continued)

Complexity: Standard

WOOD CONTENT Veneers Types of Manufactured Boards Timber Treatment and Timber Preservation Methods Importance of Timber Treatment   Veneers Definition of Veneer A veneer is a thin layer of sliced…

Metals

Complexity: Standard

METALS CONTENT Production of Metals Alloy Steels Processing of Non-ferrous Metals Types of Furnace Metal Alloys Forms of Metals Definition of Metallic Materials Metallic materials are materials which are referred…

Ceramics, Glass, Plastics and Rubber

Complexity: Standard

CERAMICS, GLASS, PLASTICS AND RUBBER CONTENT Processing of Ceramics Processing of Glass Plastics and Rubber   Processing of Ceramics In the processing of ceramic materials, mud and clay are obtained…

Uses of Ceramics, Rubber and Plastics

Complexity: Standard

USES OF MATERIALS: CERAMICS, RUBBER AND PLASTICS Ceramics Ceramic is a material made of clay and cement that has been made permanently hard by heat Properties of Ceramics Heat-resistant (they…

Geometric Construction: Polygons

POLYGONS CONTENT Regular and Irregular Polygons Examples of Polygons Construction of Hexagon Using a Pair of Compasses Construction of Pentagon Using a Pair of Compasses Construction of Octagon Using a…

Simple Metal Work Tools and Cutting

SIMPLE METAL WORK TOOLS AND CUTTING CONTENT Simple Metal Work Tools and Cutting. Care and Maintenance of Metal Work Machines.   TOOLS AND CUTTING Different kinds of metal cutting tools…

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