He must furnish the proofs, which are collected according to very stringent rules.
In 1677 the university of Caen adopted not less stringent measures against Cartesianism.
Stringent legislation controls prison labour.
Again, low speeds, light stock, less stringent requirements as to continuous brakes, signals, block-working and interlocking, road-crossings, stations, &c., tend to cheapness in working.
While in some cases these laws are unnecessarily stringent and tend to restrict the business of mining yet on the whole they have had the effect of reducing greatly the loss of life and injuries of miners where they have been well enforced.