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Possible you may mean wash BOARD. This was a wood and metal or wood and glass device used to wash clothes by hand. The wash board was placed in a tub of soapy water, and had a rippled surface. Dirty clothes were placed in the water, and scrubbed against the rippled surface to release dirt.
Placing the object on the board, they ran the clothing up and down the board fast (While plunging it in the water). This removed any dirt or grime on the clothing. Then they wrung it out and hung it outside to dry.
they keep on working
insert a high pressure sprayer to wash out dirt.
The person that invented the wash board is not known. It is possible that this invention originated in Scandinavia in the mid 1700's. A patent for the wash board was not issued until 1833 for Stephen Rust's design of a wooden frame with a zinc scrub board.
You think probable to a watch glass - a piece similar to small saucer, used in laboratory.
to clean all glass and bottles for heavy metals analysis you can use acid wash nitric acid 10%, just put all your tubes and glass in acid wash over night then wash it twice with distilled water and one with D.D.W.
absolutely!
Clingen is a vaginal suppository that treats gynecological infections. To insert the suppository, wash your hands, remove the wrapping and place it into the applicator, stand up straight and spread your legs apart, and gently insert the applicator and push the inside to place the suppository in the vagina, and then remove the applicator and wash your hands again.
a peice of wood that u use to wash clothes
At the heads with buckets of salt water
Yes, you can easily put this glass tray in the dishwasher or wash it by hand!