Final answer:
Aseptic techniques are used in microbiology laboratories, clinical procedures, bacterial culture maintenance, and medical procedures with a risk of contamination.
Step-by-step explanation:
Aseptic techniques are applied in four main areas: microbiology laboratories, clinical procedures, bacterial culture maintenance, and medical procedures with a risk of contamination. In microbiology laboratories, aseptic techniques are used to prevent contamination of cultures and maintain sterility. In clinical settings, aseptic techniques are crucial to prevent the introduction of microbes to patients during medical procedures. Aseptic techniques are also employed in maintaining bacteria in culture and ensuring that only specific bacteria are cultured. Lastly, medical procedures with a risk of contamination should be carried out using aseptic techniques to prevent sepsis.