List of Contributions

Yes, the key word *is* mandatory. I grew up in the 1960s and 70s and I remember when I was in elementary school when the metric system was introduced. There was talk of making SI mandatory for a while, but the federal government never followed through on it. Hence, here in the States the engineering ...

So now I know the purpose of macrofibers. I am familiar with the uses of microfibers. Until this thread I did not even know that they existed so I presumed that they served the same purpose microfibers do.

I'm partial to microfibers myself.