They thus produce power more cheaply and reliably than earlier models. The .223 Remington has proven to deliver this energy effectively and reliably. PDSes are not capable of reliably identifying plagiarism without human judgment. Persistence depends on their ability to establish themselves and reproduce reliably in the new environment. IPMVP provides 4 methods for using measurement to reliably determine actual savings. Artillery pieces are made by various techniques providing reliably sufficient strength. Historically, information theory was developed to find fundamental limits on compressing and reliably communicating data. Pan Am's DC-7C finally started doing it fairly reliably. You can help by expanding it with reliably sourced entries. Most OSes require patches in order to work reliably. The early history of O.T.O. is difficult to trace reliably. These are known from remains too fragmentary to be reliably classified. Sony engineers were unable to make a version of Chromatron that could be reliably mass-produced. The creation of a timepiece which would work reliably at sea was difficult. Waterboarding's effectiveness as a technique for reliably obtaining truthful, useful intelligence has not been established.