Pengkajian Penggantian Gas Nitrogen menjadi Udara Bersih Steril sebagai Pengering pada Proses Cleaning in Place- Sterilization in Place Tangki Pencampur di PT CKD OTTO Pharmaceuticals = Study of Replacement of Nitrogen Gas to Clean Air Sterile as a Dryer in the Cleaning in Place-Sterilization in Place Mixing Tank Process at PT CKD OTTO Pharmaceuticals