Pontoon bridge using a single 'o'. The U.S. military differentiated between the bridge itself ("ponton") and the floats used to provide buoyancy ("pontoon"). The original word was derived from Old French "ponton", from Latin "ponto" ("ferryboat"), from "pons" ("bridge"). When designing a pontoon bridge, the civil engineer must take into consideration the Archimedes' principle: Each pontoon can support a load equal to the mass of the water that it displaces. This load includes the mass of the bridge and the pontoon itself. If the maximum load of a bridge section is exceeded, one or more pontoons become submerged. Flexible connections have to
Pontoon (card game) Pontoon (card game) Pontoon is a name shared by two distinct card games, both blackjack variants. For those in Australia, Malaysia and Singapore, pontoon is a card game similar to match play 21 or Spanish 21, while in the UK, a game of pontoon holds closer to the traditional blackjack rules, but can be quickly distinguished by the verbal usage of the terms "twist" and "stick". The Malaysian version of pontoon is played in Australian, Malaysian, British, and Singaporean casinos. using multiple customized decks of cards. In the Treasury Casino, Brisbane, it is known as Treasury 21. In Jupiters Casino,