Surface finish is generally broken up into three components such as roughness, waviness, and form. Roughness is generally the machined marks made on a surface by the cutting tool.Waviness is the result of the vibration of the tool. Form surface irregularities caused by worn off machine bad, table etc.All three surface finish components exist simultaneously.oughness is generally the machined marks made on a surface by the cutting tool. Waviness is the result of the vibration of the tool. Form surface irregularities caused by worn off machine bad, table etc. All three surface finish components exist simultaneously.
Graceful: Kate Winslet, who last year won best actress, presented Bridges with his award. He made a public statement that it would be okay for Bigelow, 58, to win Best Director but that he should be given Best Picture to honour all his colleagues who worked on the sci-fi classic.
Kathryn Bigelow made history last night after becoming the first woman to win an Academy Award for Best Director-and trounced her ex-husband in the process. Her Iraq war thriller The Hurt Locker scooped six Oscars, including Best Picture, while Avatar, directed by James Cameron, won only three minor gongs. Avatar-the highest grossing film ever having already taken $2billion worldwide at the box office-won only for art direction, cinematography and visual effects.