Types of Jacks: **Hydraulic Jacks:** Relatively easy to operate, provide smooth lifting, and have strong load-bearing capacity. However, they may leak oil and are not suitable for supporting heavy objects for extended periods. Ideal for routine maintenance of household cars, SUVs, and light trucks. **Spiral Jacks:** Simple and reliable in design, easy to maintain, and capable of supporting heavy objects for long periods. However, they require more effort to operate and have lower transmission efficiency. Useful for tasks that require prolonged support, such as construction and equipment maintenance. **Scissor Jacks:** Compact and portable, making them easy to carry and store. However, they have a slower lifting speed and are not suitable