Learning Task 5: Choose the letter of the best answer. Write your answers on your notebook. A small mechanical or electronic device with a practical use but often thought of as an innovation is A. tools B. gadgets C. vehicles D. machines 2. It is an electrical device that is place beside the door or gate of a house or building A extension cord B. barbwire C. doorbell D. outlet 3. It is flexible power cable that can reach long distance connections. A. extension cord B. barbwire C. lamp shade D. outlet 4. The following materials are examples of conductor. Which of the following does not belong to conductors of electricity? A. metal B. plastic C. water D. all materials 5. The following materials are examples of non-conductor. Which of the following does not belongs to non-conductors of electricity? A, dry Plastic B. dry rubber C. dry wood D. dry metal​