L21.01 The Delicacies of Investing in Infrastructure L21.02 The Delicacies of Investing in Infrastructure L21.03 The Delicacies of Investing in Infrastructure L21.04 The Delicacies of Investing in Infrastructure L21.05 The Delicacies of Investing in Infrastructure L21.06 The Delicacies of Investing in Infrastructure L21.A1 L21.A4-1 L21.C-1 L21.text