| Rating | Solver | Clue |
|---|---|---|
| SEAM | Material joint | |
| PACKING | A thin layer, or sheet, of yielding or elastic material inserted between the surfaces of a flange joint. | |
| PACK | To render impervious, as by filling or surrounding with suitable material, or to fit or adjust so as to move without giving passage to air, wat... | |
| WASHER | A ring of metal, leather, or other material, or a perforated plate, used for various purposes, as around a bolt or screw to form a seat for the... |