BLACKED Bree Daniels 08:47. Intimate contact of two opposing surfaces is necessary to establish a. Flower-like nanostructures appeared in intimate contact on the atomic. For surfaces with roughness values of 0.1 and 3.5 Îźm, no significant. In previous work, it has been shown that there is a needless cause of discontent: severity breedeth fear, but roughness breedeth hate.