That is electricians, remodelers, plumbers, and other home professionals that place more lucrative orders.

即电工、改建工、水管工和其他家庭专业人员，他们的订单更有利可图。

These machines are called chromatin remodelers, and the way they work is that they basically scoot the DNA around these histones and they allow new pieces of DNA to become exposed.

这些“机器”被称为染色质重塑器，它们载着 DNA在组蛋白上移动，让新的 DNA 片段暴露出来。