Maybe a little soon, but there are enough warnings not to read this thread!
Answers to Nigel'sHardwareQuiz
1, Screwdriver
2, Hammers (West Ham)
3, (Tuning) Fork
4, Screw (known as Archimedes' screw)
5, Wedge
6, Flint (Fflint in Welsh)
7, Last
8, "Awl" (Shakespeare's puns were as bad as mine!)
9, Hinge and Bracket
10, Plane
11, Hoe (Ho, Ho Ho!)
12, Brace (using the American term 'Retainer' as a device for the correction of poorly aligned teeth)
13, Saw
14, Vice
15, File
16, Drill (or Square bashing, with a 'set square, or a 'T-square' being tools)
17, a Bit
18, Rasp (raspberry)
19, Sam Spade
20, JackNigel