Possible Clues:

• This wood is laminated
• A layer to work at diligently.
• Strand, of wool or wood, say
• If I'm there it could mean that I'll mind my own business
• Work at, as with trade
• Work steadily at the strand or layer
• Work steadily at a trade
• It's 15 down that one has to follow one's trade like this
• Travel regularly to work
• The strand is where I follow my trade