11. The stones each weigh about and have bolt holes for the chairs that secured the rail. 12. At the northern end of the east facade are an irregular set of empty bolt holes . 13. Investigators found a defect in the tie bolt hole of the fan hub in the plane's engine. 14. A dowel hole is drilled laterally across the bolt hole and the cross dowel is inserted into it. 15. All I did was slide the engine to the back of the bolt hole , about three-quarters of an inch. 16. The fishplate, originally without bolt holes , was invented by William Bridges Adams in May 1842 and used from 1849. 17. This was eventually exposed when an earthquake destroyed the barge the lovesick pair had chosen as a bolt hole . 18. Tests by the manufacturer during the engine's development detected the potential for the tie bolt hole 's metal to fracture. 19. The babysitters decided to take the pups foraging, but they ran into the Aztecs and headed for bolt hole . 20. "In the rear cross-member in the Chevrolet, there's two bolt holes that hold the rear motor mount . . ..
