QUESTION: Fix punctuation: With a maximum crosssectional dimension of 08 mm or more 7217 20 30
ANS: With a maximum cross-sectional dimension of 0,8 mm or more 7217 20 30

QUESTION: Fix punctuation: Seiko produced highly accurate watches using its twin quartz technology from 1978 until the mid 1980s These watches were produced in five caliber series 92 94 96 97 and 99 Accuracy was either 20 10 or 5 seconds per year for the various calibers
ANS: Seiko produced highly accurate watches using its twin quartz technology from 1978 until the mid 1980s. These watches were produced in five caliber series: 92 , 94, 96, 97 and 99. Accuracy was either 20, 10 or 5 seconds per year for the various calibers.

QUESTION: Fix punctuation: A collection of 140 vintage vehicles from 19001948 representing a wide section of the Danish motor vehicle population spanning almost 50 years
ANS: A collection of 140 vintage vehicles from 1900-1948, representing a wide section of the Danish motor vehicle population, spanning almost 50 years.

QUESTION: Fix punctuation: There are properties such as solubility a concept which goes back to Galois and attempts to classify which polynomial equations could be solved by radicals which make perfect sense for infinite groups
ANS:
There are properties such as solubility, a concept which goes back to Galois and attempts to classify which polynomial equations could be solved by radicals , which make perfect sense for infinite groups.