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SubjectFree lesson

Understanding Technology II

ClassNotes Team 2 MIN READUPDATED 16 JUN 2026

BASIC SCIENCE JSS1 First term

Sub-Theme: Safety, Material and Processing

Theme Understanding Basic Science and Technology

WEEK 2

Understanding technology 2

Performance objectives

Students should be able to:

  1. Identify technology-related professions
  2. State the importance of technology

Content

Technology-related occupations

Technology-Related Professions

  1. Electrical and Electronics ProfessionThis is the assembling, installation, testing, troubleshooting and repair of electrical wiring, fixtures, control devices and other related equipment in buildings and other structures.
  2. Mechanical Technician Profession: This area covers refrigeration repairs, air conditioning, elevator installation, servicing and repair of other equipment.
  3. Building Profession: This area is quite wide. It includes the following;
    Plumber: They install, repair and repair pipes, fixtures and other plumbing equipment used for water distribution.
    ii. 
    BricklayerThey lay blocks, bricks, concrete, stone, etc, to construct or repair walls, chimneys and ovens.
    iii. 
    Painter and Decorators: These do apply paints, wallpapers and other finishes to interior and exterior surfaces of buildings.
    iv. 
    Roofer: They install, repair or replace flat roofs or tiles on sloped roofs.
    v. 
    Blueprint InterpretersThey read and interpret blueprints or building plans.
    vi. 
    Tile settersTillers cover interior and exterior walls, floors and ceilings with ceramics, marble and terrazzo.
    vii. 
    Glazier: These are professionals who cut, fit and install glasses in residential, industrial or public buildings.

Importance of technology

The importance of technology is as follows:

  1. Good health for people and their animals’ e.g. health care centre, hospital etc.
  2. Shelter: Living inhabitable, comfortable and befitting houses e.g. duplex, mini-flat, storey building, bungalow etc.
  3. Good road and easy transportation e.g. the use of ship, air-planes, journal, emails etc.
  4. Clothing: Use of Ankara, lace, cotton materials and guinea.
  5. Sound communication e.g. use of telephone, newspaper, journals etc.
  6. Security: use of guns, bullets and bombs.
  7. Knowledge and skills:  ability to make use of hands and brains
  8. Regular power supply system.