More effective ventilation will materially lessen the deathrate.
Catacombs differ materially from those of Rome.
It is true, I never assisted the sun materially in his rising, but, doubt not, it was of the last importance only to be present at it.
Nothing but Cicero's wish to do a favour to Pompey could have induced him to take up what must have been a distasteful task; indeed, it is hinted that the half-heartedness of the defence materially contributed to Gabinius's condemnation.
If the available water-power of Italy, already very considerable, be harnessed, converted into electric power (which is already being done in some districts), and further increased by reafforestation, the effect upon the industries of Italy will be incalculable, and the importation of coal will be very materially diminished.