A RWCL spokesman revealed that England were warned at half-time in the win over Romania about attempting to use a different ball to the one used to score a try for the subsequent conversion attempts.
TV replays showed that Rees had used a different ball - handed to him by a ball-boy - to the one that Sexton had sliced into touch, which is against rugby's Law 19.2 (d) and meant the hooker could not take the quick line-out.
Tribological characteristics were (1) weld load tests (a four-ball EP method to determine load carrying capacity), (2) anti-wear properties (using a different four-ball test method) and (3) friction (using an Optimol-SRV III oscillating friction and wear tester).
Pull back one of the cotton balls and use a different cotton ball to swipe at your nail.
Speaking about allegations of sexual harassment against Lord Rennard, she said: "That kind of thing is demeaning and unpleasant, but boy if you compare it with what it used to be like, it's a different ball game".
A bowler's grip is a very personal thing, and Anderson, in particular, does use a different method where the ball comes off either his middle or index finger according to whether he is looking for outswing or inswing.
Using social media in a professional capacity is a different ball game.
Use a different foot each time the ball comes down.[11].[11]
And that's a different ball game".
"It's a different ball game.
