| 摘要 |
A carrying case with upper and lower case sections connected by means of hinges opens to a point where the upper case section is held upright including a conopy projects upward and outward from the two case sections of the case when opened wherein an opening in the front of the canopy permits access to the chamber created within the canopy and the case sections including fixtures suited to handling and repairing mechanical components are attached to the interior surfaces of the case and an exhaust fan in mounted in series with a filter chamber to draw ambient air through the front opening, to continuously evacuate the contents of the chamber, and to exhaust the filtered air through the upper case section and further including a vacuum device in series with a filter is equipped with a hose for cleaning objects inside or outside the chamber and for exhausting the air through an opening in the upper case section.
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