QUESTION: Fix punctuation: There had been moves toward computer translation years before Sputnik
ANS: There had been moves toward computer translation years before Sputnik.

QUESTION: Fix punctuation: Even more cross pedestrians
ANS: Even more cross, pedestrians!

QUESTION: Fix punctuation: The strong individually mounted coulters arms can rebound back by up to 40 cm allowing perfect contouring
ANS: The strong, individually mounted coulters arms can rebound back by up to 40 cm, allowing perfect contouring.

QUESTION: Fix punctuation: The classification system for hazardous waste does not contain any graduation of hazard
ANS:
The classification system for hazardous waste does not contain any graduation of hazard.