Write a very short cover letter in British English to Betsi Cadwaladr University Health Board for the job below that I found on jobsincare.com 

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                                                    Ward Clerk with Betsi Cadwaladr University Health Board in Rhyl

                                                     The Ward Clerk will give efficient clerical assistance to the Ward. The provision of an efficient clerical service is essential to ensure the speedy admission, discharge, and transfer of patients.   By the nature of the duties, the Ward Clerk will be required to maintain strict confidentiality and will be expected to deal with patients and relatives with courtesy and discretion at all times.   The ability to speak Welsh is essential for this post.   The Ward Clerk is responsible to the Service Manager in providing an efficient clerical service across the wards.   For accountability and development purposes, the Ward Clerk will be under the direct responsibility of the Service Manager.   About us  You will be able to find a full Job description and Person Specification attached within the supporting documents or please click Apply now to view in Trac.