What are the average national causes of industrial accidents and their percentages, as shown in Figure 1.5?

Here are the average national causes of industrial accidents and their percentages, as shown in Figure 1.5:

• Handling and lifting goods and materials: $\boxed{25.5\%}$
• Machinery: $\boxed{19.4\%}$
• Persons falling from heights or same level: $\boxed{15.9\%}$
• Other causes, including electric shock: $\boxed{9.0\%}$
• Stepping on or striking against objects: $\boxed{8.1\%}$
• Struck by falling objects: $\boxed{7.5\%}$
• Transport: $\boxed{7.5\%}$
• Use of hand tools: $\boxed{7.1\%}$