In practice: 94.2% used separate knives and chopping boards, 95.1% used separate utensils, 6.5% displayed foods in glass cases, 79.9% had health check-up in 2009, 85.3% were trained in food hygiene and safety, 32.7% wore aprons, 39.9% wore globes and 12.1% wore muffles, 1.3% used old newspapers for packaging, 69.6% used nylon and 19.2% used plastic boxes.