Question: Product description and specifications are based on information sites of manufacturers Supplied specifications and appearance lawnmowers Omaks OMBC4303U are subject to change without notice
Please fix the punctuation.
Fixed: [Product description and specifications are based on information sites of manufacturers. Supplied specifications and appearance lawnmowers Omaks OMBC4303U are subject to change without notice.]

Question: 15th EURussia summit held in Moscow Russia
Please fix the punctuation.
Fixed: [15th EU-Russia summit held in Moscow, Russia.]

Question: In seconds you will learn exactly what type of QNT file you have the software program associated with your file the publisher who created it its security safety status and a variety of other useful information
Please fix the punctuation.
Fixed: [In seconds, you will learn exactly what type of QNT file you have, the software program associated with your file, the publisher who created it, its security safety status, and a variety of other useful information.]

Question: Ask for communication of the type you want designed
Please fix the punctuation.
Fixed:
[Ask for communication of the type you want designed.]