Add spaces: WhenwarbrokeoutSeifertvolunteeredforwarworkwiththeInstitutfürGasdynamikwhichwasaresearchcentreattachedtotheGermanAirForce.

Answer: When war broke out Seifert volunteered for war work with the Institut für Gasdynamik which was a research centre attached to the German Air Force.

Add spaces: Thiscorrespondsto1.8m²textile(driedandfixed)perT-shirtweighing150gperm².

Answer: This corresponds to 1.8 m² textile (dried and fixed) per T-shirt weighing 150 g per m².

Add spaces: IfyouknowthenameofwrongDLLlikeHPBPROPS.DLL,chooseFreedownload--savingmoney.

Answer:
If you know the name of wrong DLL like HPBPROPS.DLL, choose Free download--saving money.