How to use "ashtray" in a sentence

The ashtray slid out of its niche.

His first successful experiment was with an ashtray

It was the first time he told me about his experiments and he came running into the house and threw the ashtray into my hands.

'For one ten-millionth of a second, that ashtray has been completely disintegrated

For one little moment it did not exist! It was only atoms travelling through space at the speed of light! A moment later, the atoms were once more gathered together in the shape of an ashtray!'

'Are you saying that you have disintegrated that ashtray, then put it together again after pushing it through something?' I said.

I'd be afraid of coming out at the other end like your ashtray.'

'Do you remember what was written under that ashtray?'

He took the ashtray out of my hands and looked at it

You remember the ashtray experiment? I have had a similar accident

You remember the ashtray? Perhaps if you had put it through again, it might have come out with the letters turned back the right way.'