While we all understand the importance of lubrication in maintaining machinery, the process of applying grease can be messy and cumbersome. However, with the design of grease applicators, or more commonly known as grease guns, this task has become much more manageable. Today, grease guns are in use in all professional settings (and even some more serious hobby maintenance works). While the process of greasing can be done without these pro tools, they certainly help, so here is what we need to know about grease applicators.