1) to float 2) size and passenger 3) a variety of 4) to become 5) to transport and support 6) to carry 7) to be key in 8) to be used for 9) to serve a) activities b) explorations and scientific and technological developments c) forces ashore d) colonization and slave trade e) capacity f) upon a log raft g) an integral part h) billions tons of cargo i) on water 10) to navigate 11) to be close to 12) to make and update j) scientific, cultural and humanitarian needs k) concept to a vessel | 1) register of ships