This text is missing some spaces, please add them: TheformulainB2is=2×A2+4whichiscopieddown.
The formula in B2 is =2 × A2 + 4 which is copied down.

This text is missing some spaces, please add them: AWingarmwithpipesiscalledaKingarm.TheadvantageofaKingarmisreducedlossofpressure.
A Wing arm with pipes is called a King arm. The advantage of a King arm is reduced loss of pressure.

This text is missing some spaces, please add them: DetailsaboutafamilyforMathiasReisighandElseNielsdatter
Details about a family for Mathias Reisigh and Else Nielsdatter