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. Computer applications

4.1. Microsoft Office

4.2. Word processor

4.3. Excel

5. Internet

5.1. Computer network

5.2. Browser

5.3. email

6. Materials

6.1. Wood

6.2. Plastic

6.3. Metals

7. Building structures

7.1. Traction

7.2. Compression

7.3. Structure

8. House installations

8.1. Plumbing

8.2. Wiring

9. Technical drawing

9.1. Paper

9.2. Pencil

9.3. Rubber

9.4. Ruler