书名：国学阅读解析
页数：page 109
题目：阅读测验题，在此撷取第二段
The EM-900 provides a full body workout from the comfort of your home.
It has adjustable foot pedals specially designed by our engineers
that reduce knee and ankle stress experienced by those using
similar machines made by other manufacturers. Its unique design
also lowers the likelihood of pain around the toes.
疑问：(It has adjustable foot pedals specially designed by our engineers
that reduce knee and ankle stress) experienced by those using
similar machines made by other manufacturers.
此大句该如何解析? 我只看得懂 (It has ... knee and ankle stress)
experienced by ...... manufacturers.
这边不知该如何拆解，也不晓得如何翻译 Orz
experienced by ... 和 made by ... 是两个子句吗? 是的话，是形容词子句?
谢谢大家:)