Shigella sonnei (the most common species in the U.S.) Shigella flexneri; Shigella boydii; Shigella dysenteriae; The transmission of most Shigella infections is caused by the bacterium passing from stools or soiled fingers of one person to
System maintenance. One advantage of the septic tank/absorption field system is that it has no moving parts, but it does require maintenance. Annual inspections of your septic system are recommended to ensure that it is working properly and to determine when scum and sludge in the septic tank should be cleaned out.
To absorb is to take in or suck up like a sponge. If you don't hear your mother calling because you are reading, you could say you were absorbed in the book. If your parents buy groceries for a party you are throwing and don't make you pay, you could say that they decided to absorb the cost of the food. Young minds absorb information easily. The word, absorbent, describes something that is capable of absorbing something else.