Maintenance Parts Bin - Version 5.1 Maintenance Parts Bin (MPB)is a system for keeping inventories of parts and determining when reorders are necessary. MPB is not just limited to maintenance inventory. Create as many databases as you like and title each one what you will.Used for tracking Computer Parts,Automobiles,Etc. You can create new databases in MPB for different departments,projects etc. Edit field labels to suit your needs and give each database an individual title. Optional administrator password to keep anyone from deleting a database,editing field labels or creating a new database without the password. You can also select which database you would prefer MPB to load on startup.