Efforts are ongoing to rehabilitate these areas. The kingdom has taken successful efforts to rehabilitate terrorists. These solutions are therefore helping engineers to rehabilitate antiquated pipe systems. Sulak led efforts to rehabilitate Pridi which achieved significant results. Many eighteenth-century English philanthropists proposed solitary confinement as a way to rehabilitate inmates morally. More recently some have sought to rehabilitate it. He spent two years attempting to rehabilitate his knee before retiring in 1986. The efforts of Liu and Deng to rehabilitate Peng further were not initially successful. Angel, whom she intends to rehabilitate. Despite these recent efforts to rehabilitate mixed languages as an idea, many linguists remained unconvinced. After Heta, the government made a major commitment to rehabilitate and develop the private sector. Public funding and private investment have also been made with promises to rehabilitate neighborhoods. Shalit subsequently began to rehabilitate with IDF assistance. Restoration works began in 2010 to rehabilitate the Taragaon hostel into the Taragaon Museum. The trust is developing techniques to rehabilitate the moor.