21.   Under federal law, all commuter line engineers must be monitored at least twice a year to make sure they are observing safety rules.

22.   You know why he observes the rules?

23.   Although most Bosnian Muslims do not observe Islamic rules forbidding the consumption of alcohol or pork, some factions within the Bosnian leadership call for a more religious life-style.

24.   Banners urge everyone to observe traffic rules.

25.   Braun urged both men to observe the rules of fair play.

26.   But Netanyahu said the opposition would observe the rules of democracy.

27.   He blamed outdated equipment and failure to observe safety rules.

28.   In addition, it calls on all sectors of Venezuelan society to observe the rule of law.

29.   In addition, it calls on all sectors all sectors of Venezuelan society to observe the rule of law.

30.   In Egypt, special rules are observed during the holy month.