UNIT 1 3. TRACK OR 28/09/2022 GET MOVING Listen to the last part of the interview and complete the following paragraph. Step 3 Clean up. 1 area and make it safe again. This is a very dangerous task 2 for many substances you need special protection and special equipment to clean. Knowledge about how to handle each chemical is necessary 3 some substances need to be washed, to clean the affected others collected, and others neutralized. 4. powders and salt should never go down the drain. If you're not sure what the correct procedure is, 5 to wait for the experts. • Work with a classmate and decide together which word/phrase from. your answers to this activity can be substituted for: for example it is important because​