self-restraint or abstinence, especially in regard to sexual activity; temperance; moderation. 2. Physiology. the ability to voluntarily control urinary and fecal discharge. Also, continency. Origin of continence.
Topmix Permeable is a fast draining concrete pavement solution that rapidly directs stormwater off streets, parking surfaces, driveways and walkways. This minimises the cost and long-term maintenance for local authorities and developers of stormwater management.
Selective means it selects what it wants, permeable means it will allow things to pass through. This isn't science this is plain English. A selectively permeable membrane allows some things through but not others. Selectively permeable membranes are also known as semi-permeable membranes. piece of dialysis tubing is semi-permeable; some solutes go though depending on their size. A CELL MEMBRANE is selectively permeable because its permeability changes from time to time, depending on the cell's needs. it SELECTS what it is permeable to...