The reason for the change is that now there are dozens of companies across the country buying discarded plastic soda bottles and turning them into fence posts, paintbrushes, etc.
这一变化的起因是，现在全国有几十家公司购买废弃的塑料汽水瓶，并把它们制成栅栏桩、油漆刷等。
2
Those are paintbrushes.
那些是颜料刷。
3
In his arms, he carried a palette and paintbrushes.