The decision to use a controller medication for a patient with asthma is based on the frequency and type of daytime or nighttime symptoms, frequency of medical visits for asthma, frequency of requiring asthma rescue medications, frequency of oral steroid use, impact of asthma symptoms on daily life, and breathing tests for asthma, which are ...
Beyond choosing between aluminum or copper, the wiring expert will understand the difference between stranded and solid wire and will choose the appropriate wire core to use for their chosen project. While solid wire consists of a single metal core, a stranded wire is composed of numerous thinner wires twisted together into a cohesive bunch. Both types of wire are appropriate for commercial and residential installation, however each has particular advantages and disadvantages that lead to the choice of one over another for each particular application.
A grounded system is a system in which one of the current-carrying conductors is grounded. An  equipment grounding conductor  is a conductor that does not normally carry current (except under fault conditions) and is also connected to earth.n some areas, the term earthing is used instead of grounding. A  grounded conductor  is a current-carrying conductor that normally carries current and is also connected to earth. Examples are the neutral conductor in AC wiring and the negative conductor in many DC systems.