Question: If your PC opens the BCA file but its the wrong application youll need to change your Windows registry file association settings In other words Windows is associating BCA file extensions with the wrong software program
Please fix the punctuation.
Fixed: [If your PC opens the BCA file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating BCA file extensions with the wrong software program.]

Question: 12 a the species is that you have sorted out the animal in different ways
Please fix the punctuation.
Fixed: [12. a) the species is that you have sorted out the animal in different ways.]

Question: This applies to a multitude of production tasks involving sawing milling grinding and lacquering as well as packaging and palletising of the ready produce
Please fix the punctuation.
Fixed: [This applies to a multitude of production tasks involving sawing, milling, grinding and lacquering, as well as packaging and palletising of the ready produce.]

Question: Today we have technology to send crafts drones space rockets and missiles over long distances by remote control and without any mate on the helm On the ocean today we can meet sailing squarerigged crafts with full servo handling of sails that reduce the need for hands of crew
Please fix the punctuation.
Fixed:
[Today we have technology to send crafts, drones, space rockets and missiles over long distances by remote control and without any mate on the helm. On the ocean today we can meet sailing square-rigged crafts with full servo handling of sails, that reduce the need for hands of crew.]