1. The barrel was of built-up type, with a horizontal sliding block breech. 2. A sliding block by Gerber helped set up the second goal. 3. However, Newmark's sliding block assumes rigidity perfect plasticity which is not realistic. 4. Unlike other tour puzzles, a sliding block puzzle prohibits lifting any piece off the board. 5. Gilberto made a sliding block to stop Bridge who having a clear shot at goal. 6. This " sliding block memory " can be used to simulate a NOT " using gliders. 7. Not all British QF guns in fact used sliding blocks -the QF 18 pounder used screw breeches. 8. -- Rush Hour _ It's a sliding block puzzle designed to challenge sequential-thinking skills, whatever that means. 9. This is mitigated by a sliding block between the crank and the slot in the piston rod. 10. A Thai variation of the sliding block puzzle Klotski is named after " Khun Chang Khun Phaen ".