Joke told today

An apprentice chimney sweep was tired out after his first day - and although his Master had told him to lug the bags of soot to back to their gaff and be sure not to put them down the sewers - he was very tempted to do just that and get shot of it quickly.

He came to the first grid, which was shallow, and remembered his Master saying that a shallow sewer would be blocked.

He came to a second one which was deeper, but covered by a heavy cover that he couldn't lift.  He remembered his Master warning that heavy covers get dropped on foolish peoples' feet.

He came to a third grid, and this was uncovered and deep, and it sloped sheerly down with a high incline which ought - he thought - to make the soot easy to pour down into the sewer.  He wracked his brains but he couldn't remember what the Master Sweep had said about set-ups like that.

So he tipped all the soot in, but it flew up in a cloud and it got in his hair and up his nose and in his
mouth, and he found by the time he staggered back to the gaff he was farting out soot with dreadful noises like a trumpet or some other brass instrument.

His Master took one look at him and said: "You forgot my warning about STEEP DRAIN TROMBOSIS didn't you?"