Before revision: Michael Crawford and Kenneth Kendall hosting White Powder Christmas, the unofficial BBC Christmas tape from 1978In relation to British television , Christmas tapes are unendorsed videotapes compiled by technical staff for their personal amusement and peers' enjoyment.
After revision: Michael Crawford and Kenneth Kendall hosting White Powder Christmas, the unofficial BBC Christmas tape from 1978In relation to the television industry , Christmas tapes are unendorsed videotapes compiled by technical staff for their personal amusement and peers' enjoyment.