These boil-ers can use biomass fuels as an alternative to fossil fuels such as natural gas, coal, and fuel oil. System Features USE CASE Diagram 25 ITP-16-MLB-WE-13 – Hospital Management System USE CASE Scenarios Name Add patient Entry Description This function get details of a patient and add record to the patient file and generate a patient registration number Actors Data entry operator, receptionist Pre-conditions The operator should login with user. We must first tell Gromacs how to perform our equilibration run in the same way that we did for the energy minimization step. Generate itp file This will open a window that lets you browse your computer for the file(s) that you want to upload.