Sort mail for shipping and deliver the mail on established routes on foot or using a vehicle.

Perform any combination of tasks in a post office, such as receive letters and parcels; sell postage and revenue stamps, postal cards, and stamped envelopes; fill out and sell money orders; place mail in pigeon holes of mail rack or in bags; and examine mail for correct postage.

Expedite and route movement of incoming and outgoing cargo and shipment shipments in airline, train, and trucking terminals, and shipping docks. They take orders from customers and arrange pickup of shipment and cargo for delivery to loading platform. They prepare and examine bills of lading to determine shipping charges and tariffs.

Investigate history and credit standing of individuals or business establishments applying for credit. They telephone or write to credit departments of business and service establishments to obtain information about applicant's credit standing.

Issue licenses or permits to qualified applicants. They obtain necessary information, record data, advise applicants on requirements, collect fees, and issue licenses. They conduct oral, written, visual, or performance testing.

Receive and pay out money. They keep records of money and negotiable instruments involved in a financial institution's various transactions.

Prepare and distribute bank statements to customers, answer inquiries, and reconcile discrepancies in records and accounts.

Buy or sell energy products on the behalf of residential or commercial customers or utilities. They negotiate and oversee contracts for energy sales.

Buy and sell securities and commodities to transfer debt, capital, or risk. They establish and negotiate unit prices and terms of sale.

Sell financial services, such as loan, tax, and securities counseling to customers of financial institutions and business establishments.