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first brush the dust on the optical parts with the oiliness brush which has been wash in ether solution and then clean the lens with cleaning skin or lens paper or cotton wool with mixture of ether and alcohol.
先用在乙醚溶里浸洗过的脱脂无油毛笔拂去光学零件上的尘埃，再用清洁的皮、擦镜纸或脱脂棉花蘸取少许乙醚-酒精混合剂轻轻揩拭。
the absorbent material, such as cotton wool, shall be in sufficient quantity to absorb the entire contents of the primary receptacles and there shall be a secondary packaging which shall be leakproof.
吸收材料例如原棉的数量必须足够吸收各主贮器的全部内装物，并且必须有不漏的辅助容器。
another subset of this register will be enterprises involved in servicing agriculture, such as storage facilities and firms that process meat, poultry, milk, eggs, cotton, wool and other products.
另一个构成部分是参与农业服务的企业，如仓储设施和加工肉类、家禽、牛奶、鸡蛋、棉花、羊毛和其他产品的企业；
in the industrial sector, most peak tariffs are concentrated in the leather, footwear, clothing and textiles sectors (and within textiles mainly cotton, wool and synthetic fibre products).
在工业部门方面，大部分高峰税率集中于皮革、鞋类、服装和纺织品部门(而在纺织品中主要则是棉花、羊毛和人造纤维产品)。
as a result, basic hospital consumables, such as cotton wool and syringes, are often unavailable in many hospitals across the country, while erratic power and water supply means that routine medical or surgical procedures are fraught with risk and often result in casualties.
因此，在全国的许多医院中缺少基本的医院用品，例如棉花和针管，而间歇供电和供水使得常规的医疗和外科手术充满危险，常常造成事故。
190. the provident fund scheme framed under the act initially applied only to six schedule industries, viz., (i) cement, (ii) cigarette, (iii) iron and steel, (iv) electrical, mechanical or general engineering products, (v) paper and (vi) textile (cotton, wool, silk and jute) with effect from 1st november, 1952.
190. 依据该法制订的储蓄基金计划最初只适用于六种计划内行业，即（一）水泥；（二）雪茄；（三）钢铁；（四）电气、机械或一般工程产品；（五）造纸和（六）纺织（棉、毛、丝和麻），自1952年11月1日生效。