Text Box: 2.4.3.1 Ordinary pimpled rubber is a single layer of non-cellular rubber, natural or synthetic, with pimples Evenly distributed over its surface at a density of not less than 10 per sq. cm and not more than 30 per sq. cm. 2.4.3.2 Sandwich rubber is a single layer of cellular rubber covered with a single outer layer of ordinary Pimpled rubber, the thickness of the pimpled rubber not being more than 2mm. 2.4.4 The covering material shall extend up to but not beyond the limits of the blade, except that the part nearest the handle and gripped by the fingers may be left uncovered or covered with any material. 2.4.5 The blade, any layer within the blade and any layer of covering material or adhesive on a side used for Striking the ball shall be continuous and of even thickness. 2.4.6 The surface of the covering material on a side of the blade, or of a side of the blade if it is left uncovered, Shall be matt, bright red on one side and black on the other. 2.4.7 Slight deviations from continuity of surface or uniformity of colour due to accidental damage or wear may be allowed provided that they do not significantly change the characteristics of the surface. 2.4.8 At the start of a match and whenever he changes his racket during a match a player shall show his opponent and the umpire the racket he is about to use and shall allow them to examine it. 2.5 DEFINITIONS 2.5.1 A rally is the period during which the ball is in play. 2.5.2 The ball is in play from the last moment at which it is stationary on the palm of the free hand before Being intentionally projected in service until the rally is decided as a let or a point. 2.5.3 A let is a rally of which the result is not scored. 2.5.4 A point is a rally of which the result is scored. 2.5.5 The racket hand is the hand carrying the racket. 2.5.6 The free hand is the hand not carrying the racket. 2.5.7 A player strikes the ball if he touches it in play with his racket, held in the hand, or with his racket hand below the wrist. 2.5.8 A player obstructs the ball if he, or anything he wears or carries, touches it in play when it is above or travelling towards the playing surface and has not passed beyond his end line, not having touched his court since last being struck by his opponent. 2.5.9 The server is the player due to strike the ball first in a rally. 2.5.10 The receiver is the player due to strike the ball second in a rally. 2.5.11 The umpire is the person appointed to control a match. 2.5.12 The assistant umpire is the person appointed to assist the umpire with certain decisions. 2.5.13 Anything that a player wears or carries includes anything that he was wearing or carrying, other than the ball, at the start of the rally. 2.5.14 The ball shall be regarded as passing over or around the net assembly if it passes anywhere other Than between the net and the net post or between the net and the playing surface. 2.5.15 The end line shall be regarded as extending indefinitely in both directions. Text Box: THE ITTF LAWS OF TABLE TENNIS Page 2 Oval: ITTF LAWS 1 Oval: PICTURES PAGE 2 Oval: ABOUT US Oval: EXECUTIVE COMMITTEOval: PICTURES PAGE 1 Oval: CONTACT US Oval: LINKS Oval: ITTF LAWS 3 Oval: ITTF LAWS 2 Oval: ITTF LAWS 5 Oval: ITTF LAWS 4 Oval: HOME