[□=□] □
[word=□] □
[lemma=□] □
While chemical propulsion requires large amounts of propellant , which it burns completely over the course of several hours or even minutes , to create greater thrust , electric propulsion demands far less propellant and over weeks , months or even years can surpass chemical propulsion speeds by a factor of 10 or more . Federal subsidies for flood and hurricane insurance , grants from public utility and highway funds and projects sponsored by the Army Corps of Engineers all have contributed to destruction in the Barrier Islands along the Atlantic and Gulf coasts . For most purposes , including for managing the economy , averages are what is needed . All employees are automatically members of the ONS Southport Social club , which organises a wide range of activities , including quiz nights , discos , sporting events and day and weekend trips , including several theatre visits .