Technology

1. Electricity

1.1. Transmission line

1.2. Switch

1.3. Plug

1.4. Socket

2. Machines and mechanisms

2.1. Pulley

2.2. Gear

2.3. Lever

3. Computers

3.1. Hardware

3.2. Flash memory

3.3. Disk drive

4. Technical drawing

4.1. Paper

4.2. Pencil

4.3. Rubber

4.4. Ruler

5. Computer applications

5.1. Microsoft Office

5.2. Word processor

5.3. Excel

6. Internet

6.1. Computer network

6.2. Browser

6.3. email

7. Materials

7.1. Wood

7.2. Plastic

7.3. Metals

8. Building structures

8.1. Traction

8.2. Compression

8.3. Structure

9. House installations

9.1. Plumbing

9.2. Wiring