translate English to French: Instead of a rational analysis of endurance and consumption, a useable oil capacity of one gallon for each 40 gallons of useable fuel may be used for reciprocating engine installations. (c) Oil-fuel ratios lower than those prescribed in (b) of this section may be used if they are substantiated by data on the oil consumption of the engine.
No intensity in any overlap between adjacent signals shall exceed the values in section 529.1395, except that higher intensities in overlaps may be used with the use of main beam intensities substantially greater than the minima specified in sections 529.1391 and 529.1393 if the overlap intensities in relation to the main beam intensities do not adversely affect signal clarity.