Question: Dimensions 690 x 750 pixels
Please fix the punctuation.
Fixed: [Dimensions: 690 x 750 pixels]

Question: Walker returned to England and from 1865 he worked in London as a lecturer in applied mathematics and physics at University College
Please fix the punctuation.
Fixed: [Walker returned to England and, from 1865, he worked in London as a lecturer in applied mathematics and physics at University College.]

Question: The Horizon elliptical cross trainer Elite E4000 has 14 programs and is Passport Ready it can be connected with the optionally available Passport SetUp box for even more variety
Please fix the punctuation.
Fixed: [The Horizon elliptical cross trainer Elite E4000 has 14 programs and is "Passport Ready" - it can be connected with the optionally available Passport Set-Up box for even more variety.]

Question: The cowherd said It must have run away The peasant however said Dont tell me that and led the cowherd before the mayor who for his carelessness condemned him to give the peasant a cow for the calf which had run away
Please fix the punctuation.
Fixed:
[The cow-herd said, "It must have run away." The peasant, however, said, "Don't tell me that," and led the cow-herd before the mayor, who for his carelessness condemned him to give the peasant a cow for the calf which had run away.]