What's Peter Johnson's position in the company? He is the 1 Manager.

填空题 What places will the visitors see in the company? 1 and the laboratory.

填空题 How long does it take to look around the laboratory? About 1 minutes.

填空题 What measures are taken to ensure the visitors' safety? The visitors are required to wear protective hard hats and 1

填空题 What is not allowed to do during the tour? 1