Related Clues:

• Wood thickness
• One of several layers of cloth
• Use skillfully
• Perform diligently
• Tiers of a cloud
• Societal levels
• Levels of society
• Geological layers
• Layers in beds
• Work steadily at
• Paper towel layer
• Work at assiduously
• Two-__ paper towels
• Bed layers?
• Sedimentary rock beds