QUESTION: Fix punctuation: China 3 channels highpower led wall washer ip65 led wall washer lightlww1 exporters
ANS: China 3 channels high-power led wall washer ip65 led wall washer light,lww1 exporters

QUESTION: Fix punctuation: If you let things get pretty dirty youll need to do a more thorough clean such as the things Jeff mentioned but after that its just a matter of maintaining the cleanliness Youll probably still need to do a deeper clean every now and then use your eyes and nose to determine that but for the most part just try to keep things clean
ANS: If you let things get pretty dirty, you'll need to do a more thorough clean such as the things Jeff mentioned but after that, it's just a matter of maintaining the cleanliness. You'll probably still need to do a deeper clean every now and then (use your eyes and nose to determine that) but for the most part, just try to keep things clean.

QUESTION: Fix punctuation: Product descriptions and specifications are based on information sites of manufacturers Scope of delivery performance and appearance of a vacuum cleaner KRIsta KR1601B are subject to change without notice
ANS: Product descriptions and specifications are based on information sites of manufacturers. Scope of delivery, performance and appearance of a vacuum cleaner KRIsta KR-1601B are subject to change without notice.

QUESTION: Fix punctuation: The presentation of new numerical methods brought fresh and exciting material as well as realistic new applications to the classroom
ANS:
The presentation of new numerical methods brought fresh and exciting material, as well as realistic new applications, to the classroom.