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.
Cost control and reduction refers to the efforts business managers make to monitor, evaluate, and trim expenditures. These efforts might be part of a formal, company-wide program or might be informal in nature and limited to a single individual or department.ost control refers to management's effort to influence the actions of individuals who are responsible for performing tasks, incurring costs, and generating revenues. First managers plan the way they want people to perform, then they implement procedures to determine whether actual performance complies with these plans.