A decent view of he drain field and the septic tan prior to the top being put on and covered. Ingredients, rebar, cinder block, concrete, sand gravel and boulders. This took about 5 days for 2 people to complete, all by hand including digging.
by HGTV Handmade
by Gabrielle Fung
by Первый образовательный телеканал
by Adafruit Industries