the amount of leakage observed at the right-center toe of the dam is cause for concern despite claims by the owner that ‘it has always leaked like that’”. the job was expected to cost $20 million and take five years. a few days later, the wires were down. however, the proportion of pupils who are regularly absent from school is above the national average. it also provides a forum for problems and exercises to be discussed with experts in the field. these jobs are often physically demanding and are often dangerous. 