Employers like employees who show initiative. Listen to your supervisor at all times and do exactly as you are told. Build up a reputation of being dependable by completing your assignments carefully, correctly, and on time. When completing a job, give it your best effort no matter what it takes. Be polite and courteous not only to customers, but to other employees as well.
Employers look for people who are reliable and trustworthy.
Make it a goal that your employer views you in this way. Observe all safely rules and follow company policies so as not to attract negative attention to yourself.