Write a very short cover letter in British English to St George's University Hospitals NHS Foundation Trust for the job below that I found on jobsincare.com 

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                                                    Mechanical Craftsperson with St George's University Hospitals NHS Foundation Trust in Tooting, London

                                                     The Mechanical Craftsperson is essential in ensuring the operational efficiency and safety of mechanical systems at St George's Hospital. This role involves performing planned and reactive maintenance, minor capital works, and emergency responses to support the Trust's healthcare operations.   Responsibilities include diagnosing and repairing complex mechanical and plumbing faults, carrying out maintenance tasks, and supporting various engineering services such as HVAC, medical gas, and water systems. The role also involves using computer-based control systems, developing risk assessments, and providing technical advice to contractors and other staff.   About us  Reporting to the Mechanical Supervisor/Technician, the Mechanical Craftsperson is responsible for maintaining mechanical systems, including HVAC, water safety, and medical gas services. Key duties include performing fault diagnosis, planned and reactive maintenance, and ensuring compliance with health and safety standards. The role also involves supporting capital projects, maintaining accurate maintenance records, and providing technical support to lower-grade staff and contractors.