This article is about penile erection. For the similar arousal in females, see clitoral erection. For other uses, see Erection (disambiguation). An erection (clinically: penile erection or penile tumescence) is a physiological phenomenon in which the penis becomes firmer, engorged and enlarged.
The obstacles in the menâs steeplechase are 914 millimetres (36.0 inches) high. In the womenâs steeplechase, the obstacles are 762 millimetres high (30.0 inches). The water jump consists of a barrier followed by a pit of water. The landing area for the pit of water is 3.66 metres (12.0 ft) by 0.70 metres (2.3 ft). At its deepest point, the slope goes down to a depth of 700mm (28 inches).
The greatest tread depth within any flight of stairs shall not exceed the smallest by more than 3â8 inch (9.5 mm). PHOTO 9. Winder treads shall have a minimum tread depth of 10 inches (254 mm) measured as above at a point 12 inches (305 mm) from the side where the treads are narrower. DRAWING 10. Winder treads shall have a minimum tread depth of 6 inches (152 mm) at any point.