Question: The first batterypowered grass shears were produced by GARDENA and they have been produced since 1973
Please fix the punctuation.
Fixed: [The first battery-powered grass shears were produced by GARDENA - and they have been produced since 1973.]

Question: Finally on the basis of several pieces of evidence it could be verified that the friend of Max Stirner described by Engels was in fact the seminar teacher Dr Eduard Mushacke 18121873
Please fix the punctuation.
Fixed: [Finally, on the basis of several pieces of evidence, it could be verified that the friend of Max Stirner described by Engels was in fact the seminar teacher Dr. Eduard Mushacke (1812-1873).]

Question: 7 has a front camera
Please fix the punctuation.
Fixed: [7. has a front camera]

Question: There are no buttons to close the Chrome window which means that you need to use other means such as AltF4 to close the browser window
Please fix the punctuation.
Fixed:
[There are no buttons to close the Chrome window which means that you need to use other means such as Alt-F4 to close the browser window.]