Hazards in a jewellery workshop 

Do not put any flammable or explosive materials in your sweep or lemel, as these will explode in our furnaces, putting lives at risk.
Items include aerosol cans, gas canisters, lighters, alkaline, lithium and watch batteries.
For more jewellery workshop reclamation hints and tip videos, visit www.mastermeltgroup.com/presman/workshop/videos