Sorry, I did't actually read your post, only the header.
Yes, I can read English, infact it is my native language. If you look at my profile you will see where I am from.
respected users list. What is the reason for that?
As Vasco suggested, maybe a pair of gloves will help. They are very inexpensive. If they come in pairs, ie. 4 gloves, keep a pair for yourself and pass the spare pair (2 gloves) to the photo lab.
Now your negatives will be clean.