A company director has gone on trial for the alleged manslaughter of a 38-year-old employee.
Martin Simmons died 15 days after his arm became trapped by a conveyor belt on 20 February 2019, crushing an artery to his neck and causing brain damage.
Kyle Gettings, 35, of Marten Road, Chepstow, pleaded not guilty to unlawfully killing Mr Simmons by gross negligence.
The trial at Gloucester Crown Court is expected to last three weeks.
Mr Gettings admitted to the court between January 1, 2019 and February 21, 2019 he failed to discharge his duty in ensuring the health and safety of his employees while working with machinery during the process of shredding tyres.
He was the director of Capital Metals Ltd, a now liquidated company that was trading at the New Dunn Business Park, in Sling, Gloucestershire.
Prosecutor Philip Stott told the jury Mr Simmons was both loading tyres onto the conveyor belt at the beginning of the shredding process and overseeing the shredded tyres as it left the machine on the second conveyor belt.
"The machinery didn't have any guard rail protection on one conveyor belt. This is neglect as anybody could easily become trapped within its workings," said Mr Stott.
The court was told a new tyre shredder was set-up and wired in by outside electricians. However, Mr Gettings didn't have the machine's operating manual and had turned to Google to set the machine up.
"Due to an incorrect set-up of the shredder itself, a chute leading from the machine towards the second conveyor belt would frequently get blocked which then had to be freed up by the workers."
It was alleged the employees did not turn off the machinery when clearing it of debris and freeing up the jammed conveyor belt, despite being trained to do so by Mr Gettings.
The court was told, the shredding machine had become jammed on February 20, 2019.
Mr Simmons was under the chute pulling out the tyres and was crouching down towards the conveyor belt while it was still moving, and his right arm got stuck inside the roller, Mr Stott added.
Mr Simmons' colleagues used disc cutters to free him from the machinery as the first ambulance crew arrived, after being told to do so by a paramedic on the phone.
But despite medical intervention, he died in hospital on 6 March 2019.
Follow BBC West on Facebook, Twitter and Instagram. Send your story ideas to: bristol@bbc.co.uk
HM Courts & Tribunals Service
Crucial update on Stratford Road closure
Update on Stonehouse murder probe
Plans for new Phoenix Health Group GP surgery in Tetbury
Cirencester driver refused to provide specimen when asked
Stunning produce from bakers, brewers and gardeners
Bristol Zoo to close tomorrow ahead of move to South Gloucestershire
Russia to keep key gas pipeline to EU closed
US Open: Williams v Tomljanovic
Empty folders marked classified found at Mar-a-Lago
How Pakistan floods are linked to climate change
Does China believe its own propaganda on Uyghurs?
Quiz of the week: Who's suing the FBI?
How are inflation, Ukraine and drought linked? Video How are inflation, Ukraine and drought linked?
My ‘Parasite’-style apartment was like a five-star hotel. Video My ‘Parasite’-style apartment was like a five-star hotel
Backpacker who became an accidental outback cook. Video Backpacker who became an accidental outback cook
What we do and don't know about the FBI's Trump search
Why Canada's ERs are struggling to stay open
Were results in Kenyan election manipulated?
Living without plastic in Japan
The British isles that disappear every day
'There's more to life than achieving a KPI'
© 2022 BBC. The BBC is not responsible for the content of external sites. Read about our approach to external linking.