Facility and implementation method for manufacturing of article using said facility

A facility comprising

• a clean room;
• multiple work booths provided in the clean room, each work booth comprising a first opening and further comprising a positive pressure generator for maintaining an inside of the work booth at a positive pressure;
• multiple support booths corresponding, one-to-one, to the multiple work booths and provided adjacent to the work booths, each support booth comprising a second opening that communicates with the first opening and that is configured to allow air flowing from the corresponding work booth into the support booth through the first opening to flow out through the second opening and thereby prevent airflow from an outside of the work booth toward the inside thereof, thus having a barrier function;
• and
• a passage provided in the clean room and facing the second opening of each of the multiple support booths;
• wherein areas inside the multiple work booths have a same grade of cleanliness as the support booths and the passage.