21. The strikers blocked streets with stones, guard rails and overturned kiosks. 22. Environmental guard rails are placed along hiking trails where adjacent terrain is steep. 23. Guard rails along stairways are common, and balconies are also lined with them.24. Improved guard rails and hard-standing areas were installed in the summer of 2001. 25. The impact shattered the guard rail and part of the building's glass facade. 26. The most common residential guard rail is usually a wood railing around the deck. 27. It has simple timber guard rails of the post-and-rail type. 28. A break occurred when Klozik's family members found drugs stashed in a guard rail . 29. A slide along the guard rail is enough to " wreck " a vehicle. 30. Substantial guard rails and grab rails, all through-bolted for security.
