HALIFAX - At a Mezza Lebanese Kitchen restaurant, Tony Nahas demonstrates slicing from a spit of roasting chicken much as his father did 鈥 with a razor-sharp knife dropping the aromatic meat from grill to gathering tray.聽

But then he switches to what he calls the "newer generation's" tool: a humming, electric carver that can create Shawarma servings more efficiently for hungry lunchtime customers.

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