Updated 1. Introduction (markdown)

1.-Introduction.md

@@ -63,8 +63,8 @@ If you're not sure how to print your own parts, **we sell them**! See [[Appendix
 
 Yup, you guessed it, **we sell complete components kits**. See [[Step 2 of Appendix A: Printed circuit boards|Appendix A: Printed circuit boards#step-2-order-the-electronics-components]] if you want more information (or info on how to buy them from your favourite electronics provider).
 
-## Step 5: Get the necessary fastening hardware
-**TODO pix of all fastening hardware**
+## Step 5: Get the necessary hardware
+**TODO pix of all hardware**
 
 - 2x M3x12mm flat-countersunk machine screws **TODO is this right??**
 - 4x M3x6mm socket cap machine screws **TODO is this right??**
@@ -72,6 +72,8 @@ Yup, you guessed it, **we sell complete components kits**. See [[Step 2 of Appen
 - 3x roller bearings **TODO more detail needed for these**
 - 2x metal dowels **TODO more detail needed for these**
 - 1x silicone ring **TODO more detail needed for these**
+- 4x friction pads **TODO more detail needed for these**
+- 1x 1.75" (44.05mm) snooker ball
 
 No surprise, **we sell kits of these**. See [[Appendix D: Hardware]] for how to buy them from us (or how to get them yourself, if you want.)