39:15

77. Structural engineering 6/9

39:22

78. Structural engineering 7/9

39:42

84. Construction 4/4

39:21

79. Structural engineering 8/9

27:22

80. Structural engineering 9/9

41:31

93. Transportation 5/8

39:45

99. Surveying 3/4

39:25

95. Transportation 7/8