The method of using antiseptic liquid is demonstrated. Instruments are seen being placed into a dish filled with antiseptic liquid. Next, the use of paraform is shown, with instruments placed inside a case, paraform tablets placed underneath and the case locked. The oven used for dry heat baking is briefly seen. Next, the correct way to wash hands before an operation is demonstrated, as are the correct ways to lay out instruments and to get dressed. A patient is then seen being prepared for an operation on the knee, with their hands being folded out of the way and their body being covered, exposing only the knee, which is swabbed.