Coronavirus COVID-19 Articles GBAC Trains Texas Cleaning Crews, CDC Confirms COVID-19 Case in San Antonio News 1 2 3 4 5 6 7 8 Load More Expert Videos Play Video Polls Of the following, which is the most challenging stain for you to remove? Ink (44%, 32 Votes) Food dye (Kool-Aid, etc) (33%, 24 Votes) Urine (14%, 10 Votes) Tannin (coffee, tea, etc) (8%, 6 Votes) Total Voters: 72 Loading ... Polls Archive