5 adjectives to describe relays

Frequent relays of horses carried me rapidly beyond danger of pursuit, and so, in course of time, I passed the boundaries of the empire of Russia, over which for three weeks I had ruled, an absolute autocrat.

They seem to be very busy clearing out both shaftstwo steam-engines, constant relays of workmen.

Besides, I had a great deal rather finish our talk with pleasant images and gentle words than with sharp sayings, which will only afford a text, if anybody repeats them, for endless relays of attacks from Messrs. Ananias, Shimei, and Rab-sha-keh.

That was in the time of the couriers, of the post horses, and thanks to its powers that official exeat cleared away all difficulties, assured the most rapid relays, the most amiable civilities from the postilions, the greatest rapidity of transport, and that to such a pitch that a well-recommended traveler could traverse in eight days five hours the two thousand seven hundred versts which separate Tiflis from Petersburg.

The enlargement being made by daylight, the vast amount of energy then available is controlled by the original negative, the action of which may be compared to that of a telegraphic relay.

5 adjectives to describe  relays