For servers already loaded with side work, cleaning a touchscreen is just one more task on a lengthy list, said Thomas Kapfhammer, general manager at Rocky's Italian Grill in Jeffersonville, Ind. But with servers' hands moving from dirty plates and glassware to money, to doors and to the POS terminal, it's a necessary step. "Everything, I tell them, gets sanitized, right down to the POS," Kapfhammer said. "Too bad if they don't like it. They have to get used to it because it all needs ...

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