Making a polite request to a superior

Today: making a polite request to a superior. Jorge Andres Arevalos Ibarra, from Paraguay, works at a metalworking company. His nickname is Andy. The company employs many staff members from abroad. Andy joined it a year ago. These days he's involved in polishing, inspection and other quality-related checks. It's a casual workplace, but he wants to speak more politely with his superiors. In a roleplay challenge, he must make a request to a superior using polite language.