Seawall construction is possible on a community scale. There are many examples of ad-hoc construction to protect individual properties and communities. However, ad-hoc seawalls are likely to give much less consideration to the water levels, wave heights and wave loadings during an extreme event.
Leukocyte esterase (LE) is a urine test for the presence of white blood cells and other abnormalities associated with infection.he leukocyte esterase (LE) test detects esterase, an enzyme released by white blood cells. Positive test results are clinically significant. The LE test is also used to screen for gonorrhea and for amniotic fluid infections.
1 Leukocyte Esterase: Leukocyte esterase is an enzyme present in your white blood cells. 2  Therefore, the presence of this substance in the urine indicates the presence of white blood cells (leukocyturia).3  White blood cells in the urine may indicate inflammation of the kidneys or urinary tract due to bacterial infection. Leukocyte Esterase: Leukocyte esterase is an enzyme present in your white blood cells. 2  Therefore, the presence of this substance in the urine indicates the presence of white blood cells (leukocyturia).