Historically, wheelchairs can be traced back to ancient civilizations, but the manual wheelchair as we know it took shape in the 20th century. The introduction of lightweight materials such as aluminum and titanium has played a key role in minimizing the effort required to propel the chair. As a result, manual wheeled devices became more manageable and user-friendly. Companies specializing in wheelchair manufacturing have responded to this shift by investing significantly in research and development to enhance the performance and comfort of their products.

首先，电动轮椅的设计旨在提高用户的生活质量。对于那些因疾病或事故而失去行动能力的人士来说，电动轮椅提供了一种新的出行方式。传统的手动轮椅往往需要他人的帮助，而电动轮椅则使得用户可以自主控制。无论是在家中、办公场所，还是在公共场所，使用电动轮椅的人们可以更加轻松地移动，减少对他人的依赖。

Conclusion