I did similar for a clothing company I was an apprentice at for the whole of 1 week.

Was my first ever job and it was working for an Indian family that had a big distribution network. They'd order clothes in from India, shipped, then distribute them to various other businesses.

The main point of my job was to print emails out, give them to the owners and get a hand written response full of abbreviations in return to email back.

In one email the owners are asked how much of a new line of stock they're wanting. So I print it and drop it on the desk of one of the owners. He's wanting '4 ctns plx'.

So I tidy it all up and get rid of those abbreviations before sending; "We'll take four containers" and off it sends.

Next morning and there's just sheer panic. Some numpty has placed an order for 4 shipping containers of a new line instead of the usual 4 cartons.

Got fired immediately.