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.
Quick Answer. Watermelon comes from the Kalahari Desert in Africa, and the first recorded watermelon harvest occurred in Egypt approximately 5,000 years ago. Merchant ships carried the fruit from Egypt to countries along the Mediterranean Sea, and it spread to China, the rest of Europe and America in later centuries.