71.   Engineers have had to struggle with heavy rain and flooding as they try to build it.

72.   Engineers also had to contend briefly with higher-than-normal levels of gaseous oxygen in the shuttle.

73.   For example, production engineers will have to keep an eye on sales and costs, and will therefore have to understand both marketing and finance.

74.   For the past few months, engineers have had to contend with woodpecker damage and critical O-ring seals that were singed.

75.   In a worst-case scenario, engineers may have to shore up the hill with concrete slabs.

76.   Most recently, engineers had to repair the flash tank, which separates steam from hot water, due to excessive steam escaping from the parts.

77.   Striking Boeing engineers will have to make the first call if they want to return to the bargaining table, company CEO Phil Condit said Tuesday.

78.   Still, he said, engineers probably still have time to come up with solutions to the problem.

79.   The engineers have since stopped work while entomologists examine the spiders in an attempt to specifically identify them.

80.   The engineers had no chance to stop, officials said.