esperanto-engelska översättning av zapfen

bung
cone
us
A cone is an object (the apex) and a natural transformation from a constant functor (whose image is the apex of the cone and its identity morphism) to a diagram functor. Its components are projections from the apex to the objects of the diagram and it has a “naturality triangle” for each morphism in the diagram. (A “naturality triangle” is just a naturality square which is degenerate at its apex side

plug
us
I pushed the plug back into the electrical socket and the lamp began to glow againPull the plug out of the tub so it can drainHe preferred a plug of tobacco to loose chaw