Category Basic Technology For JSS1 – JSS3 Lesson Notes (Introductory Technology)

Defects in Wood: Wood Defects Timber is far from being a stable and consistent material. One of the biggest challenges of working with timber is learning to work within the constraints of timber. The following are a list of the…

What is Wood Conversion? Wood conversion is the process by which a newly felled tree is converted into workable lumber. Various cuts can be used to convert a downed tree into lumber. Full Answer If the lumber is going to be…

Wood processing is an engineering discipline comprising the production of forest products, such as pulp and paper, construction materials, and tall oil. Paper engineering is a subfield of wood processing. The major wood product categories are: sawn timber, wood-based panels, wood chips, paper and paper products and…

We use technology more than ever these days to stay connected to our friends and family, get up-to-date on the latest and greatest happenings in our world and sometimes just to pass the time. With all the computers, tablets, smartphones…

Voltage (Potential Difference) Difference between points in electric field: the work done in moving a unit electric charge between two points in an electric field. Electric potential: electric potential expressed in volts. It is measured in volts. The instrument for…

Electric Circuits Electric circuit can be defined as the path provided for easy flow of electric current.  It is for conversion of the electric current into useful purposes such as lighting and heating.  Electric circuit is connected or fitted with…

Definition of Maintenance Maintenance in engineering work is defined as the functions that should be carried out every day in order to keep the plant or any engineering equipment in good operating condition.  Any breakdown in plant and engineering equipment…

In order to work safely and conveniently on any work piece, it needs firmly secured. The devices used for holding these work piece firmly are called holding vices. Holding devices include the following: Vices Vices are used for holding objects…

Mental Work Hand Tool – Cutting And Driving Tools  Cutting tools are tools used for cutting materials by either sawing, filing, chiseling, scraping. Cutting tools include the following:   The hacksaw consists of two parts: the frame and the blade.…

Mental Work Hand Tool: Marking Out And Measuring Tool Metal is one of the materials used in technology for construction and fabrication of devices. Metal as a material can be fabricated into various shapes and products. However, to be able…

Woodwork Hand Tools: Boring Tools, Cutting Tools Boring Tools Boring tools are the tools used for making holes on wood. The major tzpes are Parts of brace are the head, crank, chuck and ratchet. The head: this is made of…

Floors This is a flat bottom surface in or on any structure. It is a rigid building assembly that divides space horizontally into stories. It forms the bottom of a room. It may consist of joist-supported wood planks or panels, decking…

Types of building 1. Bungalow: It is dwelling built in a style developed from that of a form of rural house in India. The original bungalow typically has one story, few rooms, and a maximum of cross drafts, with high…

Wookwork Bench A woodwork bench is a platform on which the wood workers perform their wood workers activities. The size of the woodwork bench is usually 2.0m by 0.80m by 0.90m. The centre of the woodwork bench is always lower…

Freehand Sketching is one of the quickest methods by which the shape of an object can be communicated to others.  This is done by using a pen or pencil. Architects think more of imaginary objects; they cannot take photographs but…

Board practice is the act of learning how to use drawing instrument on drawing board to draw vertical, horizontal, incline lines etc., in order to display good board practice, it is necessary to use the appropriate drawing instruments which includes…

Technical drawing is a universal language used for communication among technical people. Technical people are the engineers, technicians, builders, draughts men, etc. It is the language expressed in terms of graphical illustrations which convey the idea of the shape, size…