A HARD CROSS-GRAINED ROUND PIECE OF WOOD IN A BOARD WHERE A BRANCH EMERGED; "THE SAW BUCKLED WHEN IT HIT A KNOT"
A HARD CROSS-GRAINED ROUND PIECE OF WOOD IN A BOARD WHERE A BRANCH EMERGED; "THE SAW BUCKLED WHEN IT HIT A KNOT" - PASUJĄCE ROZWIĄZANIA
- knot 4 liter