Disassembly unit must have the qualification of the tower crane disassembly operations, but also in the qualification range in installation and disassembly.

塔机拆装必须要具有资质的拆装单位进行作业，而且要在资质范围内从事安装拆卸。

youdao

Place unit on a clean workbench, in a dust - free and moisture-free room. Handle all parts carefully, and protect them against corrosion and impact damage after disassembly.

在一个无尘、无水汽的房间内，将部件放置在工作台之上。当部件分解开以后，要小心拿取，以免因腐蚀或碰撞造成损伤。

youdao

Unit 1, engaged in the construction site crane assembly and disassembly operation must obtain professional contracting qualification.

施工现场从事塔吊拆装作业的单位必须取得专业承包资质。

youdao

Earlier this month, a teenager figured out a way to unlock the iPhone, but his method required disassembly of the unit.

CNN: Code to unlock iPhone cracked