You could do it manually or use an operating machine hope this helped
Obsessive–compulsive disorder (OCD) is amental disorder where people feel the need to check things repeatedly, perform certain routines repeatedly (called "rituals"), or havecertain thoughts repeatedly. People are unable to control either the thoughts or the activities for more than a short period of time.
Answer:
Some internal reasons might be to relieve pain, both physical and emotional as Codeine can induce a high. The high is addictive. Another reason would be for the side effects, such as drowsiness which can feel like a high. An external reason would be weight, as the class of drug Codeine is in is an opioid. Opioids can cause weight loss, and unrealistic standards of beauty may give a teen the want to loose weight.
Answer: Marketing
Explanation:
To be more specific, the area would be marketing research. Marketing research is responsible for investigating the preferences that a consumer may have so that the product or service can be adapted to their needs.
When marketing research is done, the company makes sure to create something that can reach the widest possible audience and thus does not take the risk of making an investment in a product or service that people do not need.