Hi Cristina ! This is the vocabulary that I have learned yesterday about unit 3 :
- Wireless : without wires.
- Innovative : something that introduces or uses new ideas.
- Energy-saving : something that reduces the use of electricity.
- Alternative : something that is different from the usual or traditional way.
- Adaptable : something that is able to change for new situations.
- Sustainable : something that uses energy in a way that does not damage the enviroment.
- High - tech : something that uses the most modern methods and machines.
