例句與造句

1. The salvage of the 20-ton keel was for the scrap lead value.
2. The recycling smelter at Boss, Missouri, handles old batteries, scrap lead and lead-bearing hazardous waste.
3. This can be a lucrative business, enticing especially to risk-takers because of the wild fluctuations in the value of scrap lead that can occur overnight.
4. Scrap lead from sources such as fishing sinkers and wheel balance weights can be easily cast by a hobbyist in relatively cheap re-usable moulds, though this exposes them to vaporized lead fumes.
5. Scrap lead from the building trade is usually fairly clean and is re-melted without the need for smelting, though some refining may be necessary; as such, secondary lead is cheaper to produce than primary in terms of energy spent on production, often by 50 % or more.
6. It's difficult to find scrap lead in a sentence. 用scrap lead造句挺難的
7. Other sources of scrap lead, such as recovered bullets, lead cable sheathing, lead pipe, or even lead acid battery plates, ( EXTREME caution should be used as modern battery components, when melted, can yield hazardous, even deadly gases ) can yield usable lead with some degree of effort, including purification and measuring of hardness.