Add punctuation: Pierre Duhems father was PierreJoseph Duhem a commercial traveller and his mother was Alexandrine Fabre
A: Pierre Duhem's father was Pierre-Joseph Duhem, a commercial traveller, and his mother was Alexandrine Fabre.

Add punctuation: Temperature range from 30 to 100 C Steel wire is integrated in the hose
A: Temperature range from -30 to +100 C. Steel wire is integrated in the hose.

Add punctuation: Click all the balls that appear as fast as you can Try to get as far as possible in the game
A:
Click all the balls that appear as fast as you can. Try to get as far as possible in the game.