This paper has 4 parts answer all part except part 3  you don’t need to do anything except to watch more video: 
For the first part, I uploaded the file to answer it. 
For part 2 there is uploaded a video, here is a link in case it’s not uploaded.
https://www.transfernow.net/files/ddl/?utm_source=PED138WashclothVideo&utm_content=en 
For part 3 just watch the video to answer part 4
For part 4 answer it like it’s yours.