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spec: And how do we do that ? Typical Ketogenic Diet . Gilbert looked around , but he 'd already seen enough . Hard was the heart , stony and seared the eye , that had no tear for that moment . I thought I would never feel clean again . " As with much popular poetry of the mid-Victorian era , the audience for which was primarily women , the poems chosen tend toward the romantic and sentimental , with religious , moral , and domestic themes . But it was great to pull it off . Popular poetry of the mid-1800 's often took its themes from travel and historical subjects , as in this collection of poems inspired by the author 's Grand Tour of Europe . Many OECD countries and a growing number of developing countries also have active hydrogen and fuel cell research and development programmes , with aggregate public funding worldwide now running at about US $ 1 billion a year . The level of development also determinesthe transport mix in a city .