The last word....

[wotan]

Napier's bones, was a form of abacus used for multiplication.

 

[Homesafe]

Any form of arithmetic including multiplication would be very difficult if the arabs had'nt invented the '0'.

 

[wotan]

'O' rings are very useful at providing seals in many industrial and automotive applications.

Wotan

 

[kidgreen61]

As a plumber, I have found that ky jelly has several more applications than the one it was designed for.

 

[conny]

For instance?

 

[Homesafe]

instance lubrication!

 

[wotan]

Correct lubrication reduces friction.

 

[Homesafe]

friction produces heat energy.

 

[kidgreen61]

The energy required to assemble some components, is reduced considerably by the use of a suitable lubricant.

 

[wotan]

An extreme pressure lubricant, will typically contain compounds of boron phosphorus and sulphur.

Wotan

 

[conny]

Sulphur is also present in matches.

(OK so yu is edukated!)

 

[wotan]

The production of matches was decimated by the introduction of the disposable gas lighter.

(not reely edukated, just now a bit about a lot)

 

[conny]

Certain gases are lighter than air and can be highly explosive.

(I'm full of useless facts, so I am told. But who is the first one they come to when they have a question? )

 

[wotan]

I bet the situation is explosive, when they ask you where's the pram.

 

[conny]

To which pram are you referring as there are already 3 knocking around and with a 4th grandchild due in April there will be requests for help towards another, no doubt.