Zero, floors are prepared with the Dirt Dragon intensive cleaning machine which is similar to a carpet cleaning machine. It sprays cleaning solution, abrades with brushes (wet sanding) and extracts solution all in one pass. This is done three times with different solutions, removing dirt, loose and chipping finish to prepare surface for a new finish top coat.
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I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.