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.
White blood cells play an important role in the protection of the body against external influences. However, the presence of leukocyte esterase in urine indicates an infection of the urinary tract. The urinary tract is made of different components such as the urethra, bladder, ureters and the kidneys.t aids in the detection of white blood cells in urine. Later, a microscopic analysis of the urine sample is done for detailed information. A urine test to check for the presence of leukocyte esterase in urine involves the below mentioned steps: 1  A urine sample is asked of the affected individual.