Read the sentences carefully and fill in each blank using the correct word.
1. provides us with light, heat, and sound, and powers electronics in our daily lives.
2. Hospitals use specialized equipment like to examine patients.
3. In modern homes, are essential for keeping food cold and fresh.
4. In busy city centres, prevent continuous traffic chaos by controlling cars and buses.
5. Unexpected cause total confusion in transportation, health services, and homes.
6. In tall multistorey buildings, carry people up and down easily.
7. Classrooms and offices rely on for education, processing data, and global communication.
8. Industry and power plants use to convert mechanical energy into electrical power.
