What does ysr stand for?

ysr stands for "Sludge Removal Craft"

How to abbreviate "Sludge Removal Craft"?

"Sludge Removal Craft" can be abbreviated as ysr

What is the meaning of ysr abbreviation?

The meaning of ysr abbreviation is "Sludge Removal Craft"

What does ysr mean?

ysr as abbreviation means "Sludge Removal Craft"