Related Clues:

• Cake tier
• Two-__ paper towels
• Veneer layer
• Toilet paper layer
• Word on a tissue box
• A layer to work at diligently.
• Strand, of wool or wood, say
• Work at, as with trade
• Work steadily at the strand or layer
• Stratum, tier
• Tier or stratum
• Work steadily at a trade
• Single thickness, tier
• Work steadily at, say trade
• Thickness of material or earth - relay it