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.
Curious Cat Management Improvement Dictionary - Control Chart. Control Chart - graph of data used to determine when a result should be explored as a special cause. Developed by Dr. Shewart in the 1920's while he worked at Bell Labs. A control chart have lower control limit and upper control limit and a mean line. Dr. Shewart developed the control chart to aid in effective exploration and improvement. Often the regular variation (common cause variation) of a process is taken as something special to be examined which wastes time.