The safe disposal of waste is a legal requirement rather than an industry relying on consumer choice, so most garbage disposal companies will not be threatened by the economic recession.

废弃物的安全处理是出于法律需求救而非依赖消费者的选择，因此大多数垃圾处理公司不会受到经济衰退的威胁`。

Radioactive waste should be carefully store until their safe disposal.

放射性废料在安全处置前应当小心贮藏。

We can avoid throwing drugs down the drainand, instead, take them to a hospital, pharmacy or hazardous waste center for safe disposal.

我们可以不往下水道里扔药品，将药品带去医院，药房或者危险废弃物中心进行安全处置。

If there is extensive contamination of soil, for instance, one likely cleanup method would be to scoop up the top three or four inches and cart it to a safe disposal site.

如果那里的土壤被广泛的污染，一种可行的清除方法将会是利用铲子将表层三四英寸的土壤转运到安全的废物处理厂。