verb
proceed
pruh-SEED/prəʊˈsiːd/
To move forward or continue with an action or process.
The adult proceeds through the open gate onto the path.

Etymology
“Go forward” remains the word’s central image: proceeding can mean moving ahead physically or continuing an activity rather than stopping.
In context
move the front end loader forward slowly while gradually filling the low area proceed across the low area in this manner until you are signaled to stop