"What are you doing with my handkerchief?" he
demanded, and then gasped."

the best practice

1. keep your workspace clean

2. wash your hands

3. seperate and clean chemicals and equipment

4.   use microfiber cleaning utensils

5. clean and sanitize all work surfaces

hope this !

the characters are fiction but they are based off of people that were reaky in that situation

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.  

a lion king of the jungle he watch's his pray and watch out and go hunting for food and go fight   other animals to protect his cubs from getting hurt