It also criminalizes the act of attempting to circumvent access control. Chinese Internet users have several ways to circumvent censorship. Described methods often rely on theories that circumvent or supersede relativity. This has the side effect of allowing it to circumvent several approaches to Internet censorship. However, they may not circumvent the law regarding the confidentiality process. Instead, Hunter orders the arrest of Ramsey for attempting to circumvent protocol. This was a ruse to circumvent possible copyright issues. Gastrostomy tubes are used to circumvent feeding difficulties and prevent aspiration. Chemical analogues of illegal drugs are developed and sold in order to circumvent laws. Some EEG systems attempt to circumvent this issue by applying a saline solution. However, in practice programmers can circumvent this restriction. Consequently, would-be counterfeiters can easily circumvent any new security features simply by counterfeiting older designs. Developers of open source software have designed methods intended to circumvent Microsoft's patents. Preprint servers are increasingly developing measures to circumvent this plagiarism problem. Universities and businesses began issuing notices to stop using tools to circumvent the firewall.