IKW if you put a cupful in the sieve some will fall thru and then due to it packing down it will not fall thru even though the holes are big-ish (almost as big as flywire)
Then a gentle tap will case it to fall thru
Be careful, not good for domestic harmony, I am in the sh!t for mixing resin in tupperware, using sieve for regripping and now it has resin on the handle... as do the kitchen scales

........ and using butter knives for releasing items from moulds (they're perfect!)
Oh yeah and dressmaking scissors blunted in 20sec flat cutting Kevlar