Which of the following processes is used for recycling of silica sand or dust in foundry during the casting process?
(a) Radiography
(b) UV method
(c) Abrasive blasting process
(d) Finn method
I got this question in my homework.
My question is based upon Foundry Environment Health and Safety topic in portion Foundry Environment Health & Dust Problem in Foundries of Casting-Forming-Welding I