Key1 air line from supply to controller (6 mm ID, 12 mm OD, 1,9 m long tube rated for 1 000 kPa)2 EFD 1500 XL valve controller3 valve control switch4 targeting plate (see Figure 4)5 transparent plastic box (see Figure 2)6 hinged door with sample holding fixture (see Figure 3)7 air line from supply to fluid reservoir (6 mm internal diameter, plastic, 3 m long)8 fluid reservoir pressure gauge (connection at 6 mm internal diameter, m long)9 fluid reservoir (mount on bench top with base level to base of sample holding table)10 fluid feed from reservoir to valve (6 mm internal diameter, plastic, 1 m long)11 valve mounted on ring stand mount, with canula12 air line from controller to valve (6 mm internal diameter, plastic, 1,5 m long)