In addition, an urban design exists awaiting the decision to set up a development plan.
Almost six years later, no such design exists.
The side-float design has existed for over a hundred years.
A design for 16 factors exists having only 256 factorial points.
At this time, the design just existed on paper.
Besides these, many other lesser known and one of a kind designs also exist.
Much safer designs exist, at little cost, to reinforce these pillars.
The important design exists today and is under a preservation order.
The design exists, I just the engine ain't going to get made.
Various designs exist and many are home produced from lead or improvised with heavy objects.