Some IZs were filled to only five percent of their area. Many IZs still stand empty after site clearance.

一些工业区只有5%投入了使用，许多工业区在场地清理后仍旧空置着。

youdao

Construction of the whole staff to clean clothing and construction work, to "work finished, expected to net, site clearance."

全体施工人员要服装整齐，精心施工，做到“工完、料净、场地清”。

youdao

Clearance of the site required the removal of a number of trees.

清理这一场所需要移走不少树。

《牛津词典》

The objective of the site clearance was to remedy the illegal development in the area, and this objective was achieved.

BBC: Dale Farm traveller site evictions 'were justified'

Historically, most has been sent to clearance centers on or off site, with only unopened items in mint condition returned to the shelves.

FORBES: Magazine Article

No further action will be taken against protesters arrested during the clearance of the illegal travellers' site at Dale Farm in Essex.

BBC: Dale Farm traveller site arrests: Council drops action