Proper planning ensures that all your bases are covered.
This method ensures a clean-butted unfractured rod, but unless great judgment is exercised in selecting the proper time for cutting, the rods will remain double-skinned and the head may bleed.
This dualism, where the one constituent (alga) furnishes carbohydrates, and the other (fungus) ensures a supply of mineral matters, shade and moisture, has been termed symbiosis.
The direction of attention to the performance of some movement by the arm ensures that looseness and freedom from tension in the thigh muscles which is essential for the provocation of the jerk.
There are large tracts of gently undulating or relatively flat country which is, inasmuch as it ensures effective exposal of the vines to the sun, of a type particularly suited to viticulture.