Big quantities of probably unsafe particulates (metal dust) are being produced when an angle grinder is used to cut a steel chain.) The use of an angle grinder in slicing isn't desired as huge amounts of destructive sparks and fumes (and particulates) are produced compared with working with reciprocating saw https://cnc-machining-center75272.jaiblogs.com/58296134/the-smart-trick-of-metalworking-machines-that-nobody-is-discussing