Formic acid (methanoic acid) is used in the production of animal feed, but also in the textile, pharmaceutical, and food industry (E 237). An Abbemat refractometer from Anton Paar can be used to easily measure formic acid solution (up to 68 %) which is important to ensure a good quality in the production process.
UK productivity hindered by digital skills deficit – report
This is a bit of a nebulous subject. There are several sub-disciplines of 'digital skills' which all need different approaches. ...