An object is called as a good conductor of electricity when it allows the electrons to flow within it easily (for example a copper rod). Resistance it the opposition to the f â¦ low of electrons through it.
The Ambush of the steamboat J. R. Williams, which was carrying supplies from Fort Smith to Fort Gibson along the Arkansas River on July 16, 1863 demonstrated this. The steamboat was destroyed, the cargo was lost, and the tiny Union escort was run off. The loss did not affect the Union war effort, however.
The gate across the entrance to a dry dock. (nautical) A floating tank that can be submerged, attached to an underwater object and then pumped out to lift the object by buoyancy; a camel. (military) A two-wheeled, horse-drawn military vehicle used to carry ammunition (and a coffin at funerals). 1908, Edmund Louis Gruber, âThe Caissons Go Rolling Alongâ: Over hill, over dale / As we hit the dusty trail, / And those caissons go rolling along.