If a four-engine air carrier airplane is dispatched from an airport that is below landing minimums, what is the maximum distance that a departure alternate airport may be located from the departure ai

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• If you carry packaged hazardous cargoes on a break bulk vessel bound foreign，you must（）.

  A . stow the hazardous cargoes on deck available for jettisoning if necessary B . remove the hazardous cargo labels from a portable tank after the tank is emptied C . have the shipping papers indicate the proper shipping name and the technical name of n.o.s. cargoes D . log the receipt of hazardous cargoes in the Official Logbook

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• Multi Protocol Label Switching （MPLS） is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label， if the stack bit is set to1， which option is true？（）

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