message: Updated column headings
diff: @@ -14,7 +14,7 @@ This page explains how to adapt off-the-shelf parts into a basic test lung for o
  ### Parts
  -| Item | Quantity | Manufacturer | Part number | Price($) | Action | Sources | Notes |
  +| Item | Quantity | Manufacturer | Part # | Price (USD) | Action | Sources | Notes |
  | ---- |---------:| ------------- | ------------------- | ------------:|-----------|----------------| ----- |
  | 1 | 1 | Portex | 370924 | 15.00 |*ask first*| [E][1ebay] | test "lung", ask build-team if they have extra |
  | 2 | 2 | Mars Wellness | 4332593260 | 16.99 / 2 | buy | [Z][2amzn] | CPAP tubing |
  @@ -26,7 +26,7 @@ This page explains how to adapt off-the-shelf parts into a basic test lung for o
  ### Parts: Alt Tee
  -| Item | Quantity | Manufacturer | Part number | Price (USD) | Sources | Notes |
  +| Item | Quantity | Manufacturer | Part # | Price (USD) | Sources | Notes |
  | ---- |---------:| ------------- | ------------------- | ------------:|----------------|----------------|
  | a1 | ~10 cm | McMaster-Carr | 5234K57 | 21.50 / 5ft | [C][a1mcmc] | Soft latex tubing, 5/8" ID, 7/8" OD, optional? |
  | a2 | 1 | McMaster-Carr | 9579K72 | 12.21 / 20 | [C][a2mcmc] | Herbie clip J (20.3-23mm) for clamping 7/8"OD tubing, optional? |
  