Solve these clues to fill the grid.
- An outer wrapping or casing
- 2 Across
- Neckwear consisting of a long narrow piece of material worn under a collar and tied in knot at (plural)
- 6 Across
- A radioactive isotope that is used in a compound in order to trace the mechanism of a chemical
- 7 Across
- A ___ that assures a seller that the person using it has a satisfactory ___ rating and that (plural)
- 8 Across
- A refund of some fraction of the amount paid
- 11 Across
- An advantageous purchase
- 12 Across
- Chemical process in which one atom or ion or group changes places with another
- 14 Across
- A rectangular piece of absorbent cloth for drying or wiping
- 15 Across
- A small portable timepiece
- 1 Down
- A clause in a contract that provides for an increase or a decrease in wages or prices or benefits
- 3 Down
- An unattended machine that dispenses money when a personal coded card is used
- 4 Down
- Document giving the tax collector information about the taxpayer's tax liability
- 5 Down
- Slang for a mustache
- 9 Down
- Clothing in general
- 10 Down
- An acknowledgment that payment has been made
- 13 Down