Based on the clue 'a structure of crossed wooden strips not something...', what is the answer?

Based on the clue 'a strong rope on a sailing vessel or a chief suppo...', what is the answer? Based on the clue 'a structural material named for its small wood fra...', what is the answer? Based on the clue 'a structural type of geology 9', what is the answer? Based on the clue 'a structure for venting gas or smoke', what is the answer? Based on the clue 'a structure that crosses a river', what is the answer? Based on the clue 'a structure where soldiers are quartered it follow...', what is the answer? Based on the clue 'a struggle to write the the butterfly', what is the answer? Based on the clue 'a student the opposite of high', what is the answer?