Based on the clue 'a type of bridge or any horizontal construction th...', what is the answer?

Based on the clue 'a type of beetle a species of seal are named for ...', what is the answer? Based on the clue 'a type of betrayal or a technique used in producin...', what is the answer? Based on the clue 'a type of bioluminescence the blue glow of sea cre...', what is the answer? Based on the clue 'a type of boxing knockout', what is the answer? Based on the clue 'a type of bulky knit sweater originated in ireland...', what is the answer? Based on the clue 'a type of cake or a cone shaped utensil', what is the answer? Based on the clue 'a type of camera lens or to go really fast', what is the answer? Based on the clue 'a type of camera tlr', what is the answer?