The suggested method is an expertbased screening of the chemical impacts but without precisely defined criteria for the scoring of parameters

Can you repeat this sentence, but add in punctuation?
The suggested method is an expert-based screening of the chemical impacts, but without precisely defined criteria for the scoring of parameters.
He also earned extra money by making mathematical instruments of exceptional quality which he sold

Can you repeat this sentence, but add in punctuation?
He also earned extra money by making mathematical instruments of exceptional quality which he sold.
The changes in our surroundings and environment can also alter the impact of sex on aging individuals

Can you repeat this sentence, but add in punctuation?
The changes in our surroundings and environment can also alter the impact of sex on aging individuals.