Before revision: The machine is less advanced compared to a big Anaesthetic machine, as it doesnt feature the additional Medical ventilator and Anaesthetic vaporiser (which are only needed for administration of the more powerful general anesthetics).
After revision: The machine is less advanced compared to a big Anaesthetic machine, as it doesn't feature the additional Medical ventilator and Anaesthetic vaporiser (which are only needed for administration of the more powerful general anesthetics).