Heat Resistant Cold Spray Aluminum. Intertherm. Â®. 898CSA. All surfaces to be coated should be clean, dry and free from contamination. Prior to paint application all surfaces. should be assessed and treated in accordance with ISO 8504:2000. Oil or grease should be removed in accordance with SSPC-SP1 solvent cleaning.
In effect, watercress is grown for the plant's leaves that are mainly used in the form of salad greens or dressings. The plant has a hollow branching stem that is connected to a crawling rootstock, about one foot to two feet in length, and usually pulls out along with the leaves above the surface of the water.
Plant the watercress. Sow the seeds 1/4 inch (6.3 mm) deep and roughly 1/2 inch (12.6 mm) apart, and cover with a thin layer of fine gardening soil. You can also start the watercress indoors using the method above or transplant mature plants.