Joe Cipollone of Ventec Life Systems explains the company’s critical care ventilator to General Motors employees who will be helping to produce the ventilators at a GM plant in Kokomo, Ind., on Friday.

Joe Cipollone of Ventec Life Systems explains the company’s critical care ventilator to General Motors employees who will be helping to produce the ventilators at a GM plant in Kokomo, Ind., on Friday.