The accesskeys, also known as shortcut keys, are defined as follows:

• Alt+U：Upper block — Provides quick access to the site services area, including service links, search box, font size settings, and language/version switch.
• Alt+C：Center block — Jumps to the main content section of the page.
• Alt+B：Bottom block — Moves to the footer area containing additional site information and links.
• Alt+Y：Search box — Activates the site-wide search box available on every page.

If your browser is Firefox, the accesskeys will be Shift+Alt+(accesskey letter). For example, Shift+Alt+C will let webpage jump to the center area of this page, and so on.

← → or↑↓ : Left-right or up and down keys to move the tab order.
Home or End→ : Can directly jump to label the first or last.
Tab : Stay on the label, you can use Tab to browse the contents of that data, when faced with the radio buttons ← → or ↑ ↓ keys to move the order of items .
Tab + Shift : Press Tab + Shift to jump back on the amount of information; when you jump back to label the project can continue to use the ← → or ↑ ↓ keys to move the tab order.

• 1.Substance Management and Waste Disposal
  • Types、Uses、Source and Characteristics of Asbestos
  • Environmental Regulations
• 2.National Standards
• 3.Occupational Exposure
• 4.Health Impacts
• 5.Builiding Demolition
• 6.Water Pipelines