Skill training is essential for humans for a variety of reasons:

1. To improve job performance: Skill training can help individuals develop the knowledge, abilities, and techniques needed to perform their job responsibilities more effectively. This can lead to increased job satisfaction, career advancement, and higher pay.

2. To adapt to changing technologies and work environments: As technology and work environments evolve, individuals must adapt their skills to keep up with changing demands. Skill training can help individuals stay relevant and competitive in their field.

3. To improve personal development: Skill training can help individuals develop new skills and knowledge that can benefit them in their personal life as well. For example, learning to communicate effectively can improve personal relationships, and learning financial management skills can improve personal finances.

4. To increase self-confidence: Developing new skills and abilities can increase an individual’s self-confidence and sense of achievement. This can lead to a positive outlook on life and better mental health.

5. To enhance creativity and innovation: Skill training can stimulate creativity and innovation by providing individuals with new ways of thinking and problem-solving. This can lead to new ideas and solutions that can benefit both individuals and society as a whole.

Overall, skill training is necessary for individuals to adapt to changing environments, improve job performance, and enhance personal and professional growth.