Airport management, in common with others involved in the operation of elements of the civil air transportation system, are required to take measures that will provide a high level of protection of buildings and equipment (including aircraft), in addition to ensuring the safety and personal security of passengers and staff using the system. This must be done in manner that disturbs the normal ope
and the airports themselves are to be effective in countering security threats, there must be a clearly established process that starts with the issue of policy at national level and is operationally apparent in the procedures adopted by the individual airports. National policy is translated into a national security plan or overall security program, a necessity if airports and government wish to
Global Trend towards Protecting the Ozone Layer
Global Convention andProtocol
The Vienna Convention (for the Protection of the Ozone Layer)
The Vienna Convention is a treaty concerning the customary international law on treaties between states. It codifies some groundwork of international law trying to protect the ozone layer. The US was the one the biggest producers and consumers of
1. Listening Comprehension
1~3) Listen to the following and answer the question.
Pre-history
Prior to the release of bitcoin there were a number of digital cash technologies starting with the issuer based e-cash protocols of David Chaum and Stefan Brands. Adam Back developed hashcash, a proof- of-work scheme for spam control. The first proposals for distributed digital scarcity based cryp
and should be made several weeks in advance.
o Handshakes are used upon meeting and departing. Handshakes only usually take place between members of the same sex.
o Always wait for a woman to extend her hand. If she does not, bow your head slightly.
o Hierarchy and face manifest in different ways within business meetings. the most senior person should always enter the room first.
o