Changes

;>:greater than

;<:lesser than

== A ==

== G ==

;G:Force of gravity

;GA:General arrangement

;rms:Root mean square

;Ro-Pax:Passenger ro-ro ferry

;RORO:Roll on and roll off - also ro-ro

;ROV:Remote operated vehicles

;T:Draft of ship

;TV:Television

;tsp:Teaspoon

;TDS:Total dissolved solids