1 Next add your ingredients: the compost and kelp or molasses. 2  Let the tea brew for about 24 hours. 3  Make sure the opening to the air pump is distributed evenly (cheapest is an air stone) and secured to the bottom, so it does not get pushed to the top overnight. 4  This will keep the tea sufficiently aerobic.
One example of a technical control is data encryption. Other examples are network intrusion detection systems, passwords, firewalls and access control lists. Continue Reading. Technical controls secure computing system and information access through strategically designed software and hardware.
So in our example of EN-ISO-14971, 2009 Edition, the title is âMedical devices â Application of risk management to medical devices (ISO 14971:2007, Corrected version 2007-10-01).â As you can see, the complete title shows you what edition of the ISO document has been adopted.