Schools often worry that "a boiler is like a time bomb waiting to go off in the school." The traffic and transportation problems involved in delivering meals to several schools are also more than overstretched school staff can cope with.
學校常抱怨「鍋爐就像一枚定時炸彈擺在校園」，加上午餐跨校供應時的交通、運送等管理，對人員編制十分吃緊的學校而言，也是個不可承受之重。