sentence: A man standing or sitting behind a chopping board with vegetables on it equips a forearm-mounted knife. sentence:  The man talks to the camera while pointing the knife at the camera. sentence:  The man chops various types of items on the chopping board with the knife in sped up video. sentence:  The man removes the knife and manipulates the containers of ingredients around him. sentence:  The man re-equips the knife and resumes chopping. sentence:  The man removes the knife and manipulates the ingredients around him again. sentence:  The man re-equips the knife and resumes chopping again. sentence:  The man removes the knife and cleans up his work area.