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Students on the Minor route have a more limited choice of modules and do not submit a project or dissertation in environmental management or go on the Stage Two residential fieldwork module , but are still exposed to a useful diversity of approaches to environmental management , and have the opportunity of relating these to any one of a wide range of Major subjects . They are more likely to impact World Bank policy , but are still vulnerable to elite capture , selective reading of evidence , and researcher or institutional biases . During those hearings , officials claimed that Diebold said that the machines were close to receiving federal certification , but have still not received that OK. Recently developed , truck-mounted optical systems that detect methane appear to be an improvement , but are still quite limited ( i.e. ground speed , sensor coverage area , ruggedness , and ability to navigate difficult terrain and ground cover ) . Interstate claimants do not follow that procedure , but are still required to meet the eligibility requirements .