[3]: In our case, we want people to be able to change the symbol sizes (eg. you need to fit in more content in to a header). If you need to resize or accidentally resize something, Sketch (<3.5) would automatically resize every instance of that symbol. That would kill your sketch for few moments and probably mess up your file permanently (sometimes undo didn’t work). We ended up putting the components in Layer Groups, and letting people copy and paste them.

Flight Attendants at American wholly owned Regional Carriers (Envoy – former American Eagle), Piedmont and PSA are all represented by Association of Flight Attendants – Communications Workers of America (AFA-CWA). USAirways Flight Attendants were active members of AFA-CWA prior to the merger. They are honorary lifetime members. AFA-CWA is the largest Flight Attendant Union in the industry and is operated by Flight Attendants.
Some cities have restrictions on subletting for a short period of time. Airbnb has published a list of regulations and requirements for cities in the United States. In some cities, collection of a transient occupancy tax by Airbnb is required. In many cities, hosts must register with the government and obtain a permit or license.[9] Landlords or community associations may have restrictions on short-term sublets.