Example: tourism industry
Alphaomegapt
Found 1 free book(s)Aerospace Engineering Guide - alphaomegapt.com
www.alphaomegapt.comAerospace Engineering Guide 21 Latest information available at www.tss.trelleborg.com Edition April 2008 Surface Finish (Measurement Methods) Ra - Arithmetic Average Roughness Roughness averages are the most commonly used