Add spaces between the words in the following text: Quartz(excl.naturalsands);quartzite,whetherornotroughlytrimmedormerelycut,bysawingorotherwise,intoblocksorslabsofasquareorrectangularshape
Quartz (excl. natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a square or rectangular shape