求翻译：BIN下部正进行贴瓷砖工作，因切割量较大和业主对细节提出的要求，我方已要求分包增加人力和设备来加快进度，预计18日完 成此工作 ，21日进行安装工作是什么意思？

the the bin lower positive tiling, cutting the amount and owners to detail requirements, we require subcontractors to increase manpower and equipment to speed up the progress, is expected to be completed by the 18th of this work, the installation work in the 21st

The Department was in the process BIN tiled work, by cutting a large amount of details and the owner's request, we have a package for more manpower and equipment to speed up the progress, it is expected that the 18, 21, this work for the purpose of installation

Lower BIN is tiling work, due to large amo