51.   It says the cities also were negligent for never warning that some types of bacteria could survive treatment and play havoc with pipes.

52.   Its most important feature might turn out to be the daily schedule of events since snow, fog and winds play havoc with everything and force hourly changes.

53.   Ken Behring says he has some grand designs for the relocation of his Seahawks to Southern California, but legal entanglements in Seattle are playing havoc with the specifics.

54.   Like his predecessors, Long has been willing to play havoc with his Republican partners.

55.   Long spans of sitting not only rile tempers but play havoc on well-used joints.

56.   Look for chances to play havoc with colleagues who have repeatedly crossed you.

57.   Meanwhile, the long hours and hard living were playing havoc with his health.

58.   Mouldering Monuments Microorganisms which are playing havoc with stone buildings and statues could be thriving on a previously neglected form of pollution.

59.   Movie exhibitors dislike long movies because they play havoc with scheduling and allow fewer showings per day, thus cutting into revenue.

60.   Naturally, the hailstorm played havoc with the roof, and the torture of haggling with the insurance company, mortgage company and roofing contractors began in earnest.