Add spaces: Workingcarefullywiththetechnique,hecontinuedtomaketestprintsuntilasatisfactoryresultwasachieved.

Answer: Working carefully with the technique, he continued to make test prints until a satisfactory result was achieved.

Add spaces: *SomeHALOGENfileextensionformatscanbeopenedinbinaryformatonly.

Answer: * Some HALOGEN file extension formats can be opened in binary format only.

Add spaces: *Askforandvaluetheopinionofthepersonwithaphasia,especiallyregardingfamilymatters.

Answer:
* Ask for and value the opinion of the person with aphasia, especially regarding family matters.