However, a school districtâs actual communication network can be very different from the pattern of communication established by its formal organizational structure. Four main communication roles have emerged in network analysis: gatekeepers, liaisons, bridges, and isolates (Belussi, 2012).
People from all over the world know the four most popular types of the Pall Mall cigarettes. 1  1.Pall Mall Filters - most probably the best-selling variety. These cigarettes have an intense and stimulating taste. 2  2.Pall Mall Lights - usually preferred by women smokers because of a milder taste and delicate aroma.
Types of electronic cigarettes tutorial. This video compares the different types of ecigs and vaporizers. It covers cartomizers, atomiziers, eGo ecigs (vape pens), mechanical mods (RBA), e-juice/e-liquid, and nicotine strengths. The cigarette imitations 'cigalikes' mimic traditional tobacco cigarettes. They consist of a battery and cartomizer. Cartomizers consist of a cartridge to holds the nicotine liquid and an atomizer that vaporizes the liquid. The eGo style ecigs (vape pens) consist of a battery and clearomizer. Clearomizers are a clear e-juice tank with an atomizer. E-juice or e-liquid is a nicotine flavored liquid. Mods are for the hobbyist. There are variable voltage and mechanical type mods.