I think I remember the last time this was posted here! Someone pointed out that "safety-related items" does not appear to include shoes as evidenced by Figure

I think I remember the last time this was posted here! Someone pointed out that "safety-related items" does not appear to include shoes as evidenced by Figure 5. On another note, it's a really nicely crafted lab report. If I taught a science class I might use this as an example submission.