grit chamber

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Hemp (Cannabis sativa).

9 Mind-Altering Plants

Two chicks near an egg with a white background (poultry, chick, chickens, birds).

What Do Eggs Have to Do with Easter?

Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)

The Seven Sacraments of the Roman Catholic church

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

July, 2006, Launch of Space Shuttle Discovery STS-121. See attached for full caption information.

Will Light-Speed Space Travel Ever Be Possible?

Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.

Timeline of the Titanic’s Final Hours

grit chamber

sanitation engineering

Learn about this topic in these articles:

sedimentation tanks

In sedimentation tank
…treatment using bar screens and grit chambers to remove large objects and coarse solids.
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sewage treatment facilities

In wastewater treatment: Primary treatment
Grit chambers are long narrow tanks that are designed to slow down the flow so that solids such as sand, coffee grounds, and eggshells will settle out of the water. Grit causes excessive wear and tear on pumps and other plant equipment. Its removal is…
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