Answer:
He is looking for maintenance and reliability quality
Explanation:
He is worried that the product will be reliable and able to be maintained regularly when or if broken.
Answer:
b. Cellulose acetate
Explanation:
Cellulose acetate is acetate ester of the cellulose.
The material was first prepared in 1865. It is used as film base in the photography as component in coatings and also as frame material for the eyeglasses. Also, it is used as synthetic fiber in the manufacture of the cigarette filters and also in playing cards. It is used because it is far less flammable and also cheaper to produce. <u>It provides support and stiffness to the X-ray film and further helps in producing good results.</u>
Answer:
When you first put a piece of food in your mouth, it is first grinded by your teeth, then saliva comes in to help you break down your food, the more you chew the more digestive enzymes occur, these enzymes are extremely important, they help your body take in nutrients from what you eat. This is why it's important to chew your food thoroughly before you swallow,
Anatomical and physiological barriers provide the crucial first line of defense against pathogens. These barriers include intact skin, vigorous mucociliary clearance mechanisms, low stomach pH and bacteriolytic lysozyme in tears, saliva and other secretions.
