This text is missing some spaces, please add them: DidsomeoneemailyouaSA4fileandyou'renotsurehowtoopenit?MaybeyouhavefoundaSA4fileonyourcomputerandwonderingwhatit'sfor?Windowsmighttellyouthatyoucan'topenit,orintheworstcase,youmightencounteraSA4filerelatederrormessage.
Did someone email you a SA4 file and you're not sure how to open it? Maybe you have found a SA4 file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a SA4 file related error message.

This text is missing some spaces, please add them: Notonlyisitextremelyeffective,butweareluckythatdoesnotspoil,thatcouldhappenoccasionally,buteventhat.
Not only is it extremely effective, but we are lucky that does not spoil, that could happen occasionally, but even that.

This text is missing some spaces, please add them: -TypeE:withbutt-weldedhub,tappedblindhole.
- Type E: with butt-welded hub, tapped blind hole.