Kota Gadang, nagari di barat Bukittinggi, di seberang ngarai Sianok, sangat kuat mempertahankan adat. Akan tetapi, dalam waktu bersamaan Koto Gadang meupakan daerah pertama yang membuka diri terhadap pengaruh luar, khususnya pengaruh barat memaluai sekolah berbahasa Belanda. Inilah satu satunya fenomena pembaruan sosio-kultural di Nusantara yang terjadi pada masa kolonial abad 19 dan 20.
The basic of science and technology about milk product was the milk water, because milk was a good nutrition for the disease, we must do the pasteurization process to avoid the disease and the damage of milk from microorganisms and enzyme, there’s two kind of pasteurization process, holder method and high temperature short time, in this case the writer used the holder method which the heating…