Improperly recycled electrical and electronic waste is a growing source of environmental lead contamination, particularly in low- and middle-income countries (8) .
8852
食品容器中使用含铅陶瓷釉料；
Leaded gasoline used to be an important source of exposure, but all countries have now banned its use (9).
8853
供水系统中的铅管和其他含铅组件，以及含铅涂料。
The continued use of tetraethyl lead in some aviation fuels exposes populations around airfields to lead (10).
8854
含铅汽油曾是接触铅的一个重要途径，但几乎所有国家现在已禁止使用含铅汽油 ( 7,8 ) 。
Environmental contamination can lead to ingestion and inhalation of lead and its compounds.
8855
一些航空燃料继续使用四乙基铅，造成机场周围人口接触铅 (9) 。
Most cases of oral lead poisoning result from small amounts of lead-containing material such as contaminated dust or soil, flakes of lead paint, contaminated food and spices, lead-containing traditional medicines or from ingestion of lead as a foreign body.
8856
环境污染可导致摄入和吸入铅及其化合物。
Inhalation of lead as fumes or particles is a major occupational route of exposure.
8857
用过的铅酸蓄电池作为铅接触源有多重要？
How important are used lead-acid batteries as a source of lead exposure?
8858
铅酸蓄电池用于机动车辆，用于储存由太阳能板和风力发电机产生的能量以及备用电源。
Lead-acid batteries are used in motorized vehicles, for storage of energy generated by solar panels and wind turbines and for back-up power supplies.
The growth in the use of renewable energy sources and the concomitant need for storage batteries, as well as the increasing demand for motor vehicles as countries undergo economic development, mean that the demand for lead-acid batteries is increasing.
8860
全球铅消费总量中近85%用于生产这些电池，这方面需求一半以上通过回收来满足 (9) 。
Approximately 86% of the total global consumption of lead is for the production of these batteries, and over half of this demand is met through recycling (11).