English to French Tech/Engineering Metallurgy / Casting Aluminium industry

Even though “flitters” are a long-standing industry challenge when it comes to aluminum slug manufacturing, a team in USA, initiated a new project to reduce the pesky shavings and improve the appearance of the plant’s aluminum slugs.

From an article on aluminium manufacturing, the text is mostly general with a few technical terms.
Looking t-for the technical term for this.
Thanks for your help