开荒是清洁工程之首，由于建筑工程中常常会遗留下许多垃圾污垢，各种地面石头，墙壁上会遗留下水泥浆块、油漆、玻璃胶、水污、锈迹等，这些都必须在开荒工作中清洗干净，所以它是一项最艰苦、最复杂、最费神的工作，开荒工程的好坏，直接影响到日后保洁工作的质量和档次，所以做好开荒有着相当重要的要求。
Waste reclamation is the first clean project, because construction
projects often leave a lot of garbage dirt, a variety of ground stones,
walls will leave cement slurry, paint, glass glue, water pollution, rust
and so on, which must be cleaned in the work of waste reclamation, so
it is the most arduous, complex and demanding work, the quality of waste
reclamation projects directly affects the future protection. Cleaning
work quality and grade, so do a good job in opening up wasteland has
very important requirements.
1、 首先清理现场留下的装修垃圾；
1. Clean up the decoration garbage left at the scene first.
2、 由上到下全面吸尘；
2. Full vacuum from top to bottom;
3、 擦玻璃：先用毛巾把玻璃框擦拭盖土网 防寒布 麻绳 油麻绳 麻刀 沥青麻绳 静压造型线 自动浇注机 铸铁拍门 钢制拍门 玻璃钢拍门干净，再用涂水器沾稀释后的玻璃水溶液，均匀的从上到下涂抹玻璃，有顽固的污渍用铲刀清除干净，再重复以上工序后用刮子从上到下刮干净，用干毛巾擦净框上留下的水痕，玻璃上的水痕用机皮擦拭干净。
3. Glass cleaning: first wipe the glass frame with a towel, then dip the
diluted glass water solution with a water applicator, evenly coat the
glass from top to bottom, with a spade to clean the stubborn stains, and
then repeat the above process with a scraper from top to bottom, wipe
the water marks left on the frame with a dry towel, and wipe the water
marks on the glass with machine skin.
