General   (General discussion, talk about anything.)

Jargon, at that time in the 1970s, I was works manager of a large generous engineering company and experienced and had to deal with that situation and try to maintain production and crucial delivery dates and I can assure you it was a nightmare.
We had the lot including sit ins but at the end of the day only increases already paid and the men went back worse off.
Those were the days of the Red Robboes of the motor industry and the ship yard demarcation disputes between different trades.
Fortunately common sense returned but only after great loss by the workers themselves and damage to the companies that employed them.