Plaster is what they put it in usually they rarely used semen
Manufacturers make tin foil with aluminum foil. Lmk if that helps
According to the system theory the players that are being drafted are the obstacles.
<h3>What is the systems theory?</h3>
This is regarded as the inter relationship that exists between the various systems that exist.
The systems theory has it that the groups could be man made groups or they could be natural groups. If the people in a group are being allowed to get drafted its because they are the obstacles.
Read more on systems theory here:
brainly.com/question/8152254
