input: Add the icing sugar a tablespoon at a time while beating at medium speed
fixed: Add the icing sugar a tablespoon at a time while beating at medium speed.

input: Ernest Vessiots father was a school teacher then later he was appointed inspector general of primary schools
fixed: Ernest Vessiot's father was a school teacher, then later he was appointed inspector general of primary schools.

input: Similar to Vertical Recorders flatbed recorders are ideal for use in research development and production as well as in service and education applications
fixed: Similar to Vertical Recorders, flatbed recorders are ideal for use in research, development and production, as well as in service and education applications.

input: The book is cut so closely that parts of the letters are missing
fixed:
The book is cut so closely that parts of the letters are missing.