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We want to describe the activities of arms brokers and trafficking or transport agents ( also known as shipping agents or brokers ) and their associated sub-contractors , in order to examine what measures governments can take to prevent such activities from contributing to serious violations of international law . The focus was on what can be done - at the Federal and state levels - to make a difference in the child support program , that would result in increased collections , improved services , and the strengthening of families . FINANCIAL GUARANTEES - Records relating to the acquisition and release of various forms of financial guarantee - - including escrow accounts , letters of credit , liens , promissory notes - - required by the school district from other parties to ensure performance , payments or the completion of certain specified actions , such as the completion of projects , required improvements or the payment of delinquent bills or assessments . However , ideas that relate to the time frames of changes to the Earth 's surface ( Ideas d , e ) are not addressed or are addressed in isolated instances , and no generalization is provided . Firstly , the control software for the vehicles ( automated guided vehicles , cranes , conveyor belts ,... ) must deal with evolving hardware , different vendors and general software evolution .