Since pipelines are buried underground, pipeline companies use line markers like those shown to the right. The markers indicate the approximate location of the pipeline. Markers are placed where pipelines intersect streets, railroads, rivers and heavily congested areas.
In answer to your question James, I was on Tamsulosin for several years and suffered no serious side effects other than a reduction in ejaculate, a slight lowering of BP and pinpoint pupils.
Stop using alfuzosin and call your doctor at once if you have a serious side effect such as: 1  new or worsening chest pain;  nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);