| I was still furiously wiping at my eyes with my sleeve, and my skin was raw from the friction. |
| Such mills have large diameter rolls with surfaces that are roughened or ragged to increase the coefficient of friction. |
| He is an amiable person, but very disorganised, and this often leads to frustration on the part of staff, and friction. |
| To reduce friction on the spheres, they are levitated by voltages applied to saucer-shaped electrodes. |
| Among the advantages of friction welding is the ability to produce high quality welds in a short cycle time. |
| As noted, other extrinsic factors for skin injury are shear forces and friction. |
