Hmm is technically categorized as an interjection, like um, huh, ouch, erm, and wow. Harry, who is hurt, says "Ouch" repeatedly and his brother begins to giggle. In an interview for Ouch, My Ego! The Mr. Ouch design is owned by NEMA. Cara more recently worked with BBC Ouch! Unlike other high-voltage warning symbols, Mr. Ouch was specifically designed with young children in mind. Of those four illustrations, the one children most strongly associated with danger was Mr. Ouch. Wisconsin Energies created an educational video for schools, to help children recognize Mr. Ouch. They also released three albums in that decade, "Tenderness", "Ouch!" and "Graduation". Mr. Ouch was the first warning label system developed and standardized by an industry. Dave Bauman took this duty along with Ouch Roenigk until Bauman's death in 1998. Mr. Ouch labels are available from online suppliers, and are typically applied to pad-mounted transformers. Between 2003 and 2005, Hills wrote as a columnist for the BBC's disability website "Ouch!". Eck$ track "Ouch Ouch", which she also produced. Chopra starred in Neeraj Pandey's short film "Ouch", a dramatic love story.