Its called a dust respirator, and in most industries, we use
this type. Cheaply available at most hardware shops.
Google sinh heng industrial supplies pte ltd.
It falls on the onus of your employer to provide you adequate
hazard prevention, otherwise you should call MOM and lodge a
complaint, I am serious.
i am 15, lol, you must have forgotten that. [it's okay i am
rather inactive, lol]. When I was finished cutting my artefact, the
person beside me blew the dust off the machine and i choke on
it.
