39:15

55. Revision B 3/6

39:59

102. Geotechnical 2/9

39:55

98. Surveying 2/4

37:17

53. Revision B 1/6

39:44

56. Revision B 4/6

39:21

79. Structural engineering 8/9

41:19

40. Mechanics Of Material 1/5

40:00

111. Revision D 2/4