The relative or absolute increase in the frequency of adenocarcinoma of the cervix in the 1980s, coupled with the introduction of the endocervical brush, broom, and other endocervical sampling devices, has stimulated us to examine more carefully and classify more precisely the lesions of the endocervix.
If you do have one of these systems you need to know whether it's a conventional or alternative septic system, and exactly how it works. Gravity System-A conventional system which uses gravity to force the wastewater out into the drain field. 2  These types of septic systems use gravel as a filter. 3  Pressure Distribution System-A conventional system which involves the use of a pump.
1 Keep vehicles and livestock off your septic system. 2  The weight can damage the pipes and tank, and your system may not drain properly under compacted soil. 3  Keep gutters and basement sump pumps from draining into or near your septic system.