What if anything is everyone that is using the safety cans use to keep the road grime out of the spout?

Isn't your answer to move to cordless tools and not use gas?Q: How do I keep the nozzle on this can from getting dirt in it?
Lawnsite responds...
A: I have a different can
A: My can is better
A: No, MY can is better
A: I also have a different can
A: I like ponies
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I am planning to mount 2 off these with 1 hand crank pump to each trailer. Pump puts out 8 gal per minute. Plus we will be able to go 2 days without having to stop for fuel. $114 each can and each pump is about $300.
Right now we have two or three 6 gal cans on each trailer. Major pita constantly fueling cans. And spouts always leaking.
link to the super power hand pump please.I can hand pump a few gallons in just a few seconds.