The inner frames, the trickle ventilators and other items are all painted dark grey.
The criminal law can respond to it as a tolerable and justifiable exception to basic criminal law rules developed long before ventilators ever existed.
There should be sufficient protection against impact, manifestations of glazing, safe opening and closing windows, skylights and ventilators and safe access to clean the glass.
The right-to-die movement, for example, tied notions of a "natural death" with a suspicion of ventilators and feeding tubes.
There are some patients who are permanently maintained on ventilators because of illness.
Much progress has been made in the design and use of ventilators in the past 20 years.
Even use of organ failure treatment modalities such as ventilator support and renal replacement therapies might be different if such guidelines were developed.
At this point, the ventilator, along with other forms of treatment, can and should be discontinued.