First Name: Safaa
Last Name: Awwad
Institution Name: Technion Israel Institute of Technology
Country: Israel
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Questions for Awwad Safaa

How do soap clean your hands ?
7 Comments 1952 Views 2015-12-04 12:49:14
Watch the video below and then answer the question The picture below will help you to understand more! You can also watch this video :                               &nbs... Continue Reading