JSS 3 Basic Technology (1st, 2nd & 3rd Term)

basic technology (Secondary School)

Tools and materials for house wiring

When it comes to house wiring, there are several tools and materials you may need. Here’s a list of common tools and materials used for house wiring: Top Electrical Tools List Pliers Screwdrivers and nut drivers Wire strippers Utility Knife Fishing tools Measuring devices Labeling machines Power drills and drivers, hammer/drills Power saws Voltage Detectors/ […]

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basic technology (Secondary School)

Motion in Engineering

Motion can be defined as the movement of a body (object) from one point to another with the application of force. Types of Motion At this level, the two types of motion to be considered are Linear Motion and Rotary Motion. Linear Motion: This is the motion of a body moving in a straight line.

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basic technology (Secondary School)

Wood Work Project

Woodworking is a craft that involves shaping, carving, and constructing objects using wood as the primary material. It is a versatile and rewarding hobby that allows individuals to create functional and decorative items with their own hands. Woodworking can range from simple projects like building a birdhouse or a small box to more complex endeavors

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basic technology (Secondary School)

Windows

A window is an opening in a wall, door, roof or vehicle that allows the passage of light, sound, and air. Modern windows are usually glazed or covered in some other transparent or translucent material, a sash set in a frame[1] in the opening; the sash and frame are also referred to as a window.[2]

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basic technology (Secondary School)

Building Components (Foundation)

A foundation (or, more commonly, base) is the element of an architectural structure which connects it to the ground and transfers loads from the structure to the ground. Foundations are generally considered either shallow or deep. Foundation engineering is the application of soil mechanics and rock mechanics (Geotechnical engineering) in the design of foundation elements

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basic technology (Secondary School)

Wood Processing

The major wood product categories are sawntimber, wood-based panels, woodchips, paper and paper products and miscellaneous others including poles and railway sleepers. During the last several decades, forest product processing technologies have undergone extraordinary advances in some of the above categories. Improvements have been achieved in terms of recovery rates, higher qualities in terms of

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basic technology (Secondary School)

Orthographic Drawing

Imagine you are shopping for a chair to go in your living room. You find the perfect one, but it is way too expensive. Fortunately, you have a cousin that builds furniture. Maybe he can build the chair for you! Describing the chair over the phone was more than a challenge. Your cousin suggests you

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basic technology (Secondary School)

Perspective Drawing

A mathematical system for representing three-dimensional objects and space on a two-dimensional surface by means of intersecting lines that are drawn vertically and horizontally and that radiate from one point on a horizon line… Although this definition sounds complicated, the concept is relatively simple. One point perspective is a drawing method that shows how things

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basic technology (Secondary School)

Oblique Drawing

Definition of oblique drawing  a projective drawing of which the frontal lines are given in true proportions and relations and all others at suitable angles other than 90 degrees without regard to the rules of linear perspe ‘Cabinet Oblique’ In Cabinet obliquethe scale (depth) is halved whilst in Cavalier oblique the depth scale is the same as

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basic technology (Secondary School)

Drawing Practices

Isometric drawing; A pictorial representation of an object in which all three dimensions are drawn at full scale rather than foreshortening them to the true projection. An isometric drawing looks like an isometric projection but all its lines parallel to the three major axes are measurable. Isometric drawing, also called isometric projection, method of graphic representation of

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Basic Science

Processing of Ceramics and Glass

Ceramic Material Manufacturing Methods All ceramics start as a mixture of powdered base material (Zirconia, etc.), binders and stabilizers. This mixture is “formed” into shapes and then fired (sintered) at high temperature to create hard, dense materials. Forming is done using standard processes such as pressing, extruding, injection molding, tape casting or slip casting. Ceramics

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basic technology (Secondary School)

Metal Processing

Metal Alloys An alloy is a material made by melting one or more metals together with other elements. This is an alphabetical list of alloys grouped according to the base metal of the alloy. Some alloys are listed under more than one element, since the composition of the alloy may vary such that one element is

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basic technology (Secondary School)

Processing of wood

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 a timber’s. The following are a list of the most common wood defects. BOW (BOWING) The curvature of a piece of sawn timber

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basic technology (Secondary School)

Processing Wood

What is wood conversion? Wood conversion is the process where a newly felled tree is converted into workable lumber. There are many different cuts that can be used to convert a downed tree to lumber. FULL ANSWER If the lumber is going to be used for construction, the wood is cut plain or through and through.

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basic technology (Secondary School)

Processing of Wood

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 miscellaneous others including poles and railway sleepers. Forest product processing technologies have undergone extraordinary advances

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