With so many different pieces of equipment to keep an eye on during a radio broadcast, it’s natural that occasionally mistakes will be made.
Which brings us swiftly to BBC Radio 4.
Listeners tuning into to today’s You and Yours heard an inadvertent expletive uttered live on radio from someone testing the sound.
The man can be heard in the background saying: "Testing...testing, testing, testing."
It’s so f**king cold in here! Jesus Christ.
It's so cold. It's so cold in here.
Ironically, the weather forecast was coming up next.
Needless to say, listeners noticed the swearing and took it with a healthy dose of humour
Though there were a few gentle admonishments...
One listener suggested they put the heating on in the studio...