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Throughout the ages men have used condoms made of an amazing variety of materials from simple cloth and oil paper

古往今来,男人用来做避孕套的材料五花八门,有简易的布料,也有油纸。

To turtle shells and animal horns, though don''''''''''''''''t ask me how.

至于龟壳和动物角,不要问我怎么弄。

Anyway, thankfully today, we can stay safe without having to don dead animal parts

无论如何,谢天谢地,如今,我们不用套上动物尸体,就可以安全交欢了。

The rubber condom was invented in the mid 19th century

橡胶避孕套发明于19世纪中期

Today most are made of natural latex rubber, which is strong, thin, and longer-lasting

如今,大多数是由天然胶乳橡胶制成的,这种橡胶强韧,轻薄,耐操

(1.天然乳胶是橡胶树割胶时流出的液体,呈乳白色,固含量为30%~40%,橡胶粒径平均为1.06微米。新鲜的天然乳胶含橡胶成分27%~41.3%(质量)、水44%~70%、蛋白质0.2%~4.5%、天然树脂2%~5%、糖类0.36%~4.2%、灰分0.4%。为防止天然乳胶因微生物、酶的作用而凝固,常加入氨和其他稳定剂。天然乳胶主要用于制作海绵制品、压出制品和浸渍制品。

2.乳胶(latex)泛指聚合物微粒分散于水中形成的胶体乳液。又称胶乳。习惯上将橡胶微粒的水分散体称为胶乳,而将树脂微粒的水分散体称为乳液。以乳胶为原料制成的制品称乳胶制品,常见的如海绵、手套、玩具、胶管等。

3.天然橡胶是一种以聚异戊二烯为主要成分的天然高分子化合物,分子式是(C5H8)n,其成分中91%~94%是橡胶烃(聚异戊二烯),其余为蛋白质、脂肪酸、灰分、糖类等非橡胶物质。天然橡胶是应用最广的通用橡胶。

4.橡胶是提取橡胶树、橡胶草等植物的胶乳,加工后制成的具有弹性、绝缘性、不透水和空气的材料,为高弹性的高分子化合物,可分为天然橡胶与合成橡胶二种。天然橡胶是从橡胶树、橡胶草等植物中提取胶质后加工制成;合成橡胶则由各种单体经聚合反应而得。)



The mold spin through a dryer, are dipped again, then spin through the dryer once more

模具旋转通过一个干燥机,再次浸泡、通过旋转干燥机一次

The latex is now the correct thickness

乳胶现在是恰当的厚度

The next station on the line curls up the edge with a rolling brush forming what''''''''''''''''s called a bead

下一站用滚动的刷子卷起边缘,形成所谓的厚边

This bead is what later enables the condom to be rolled up into a flat disc

这些个厚边在后面的生产线上使得避孕套可以卷成一个扁平的圆盘

The condoms go through an oven for 10 to 12 minutes. When they come out the latex is cured.

避孕套在烤箱中烘烤10到12分钟。 当它们出烤箱时,乳胶就固化了。

The next station removes the condoms from the molds with high-pressure water jets

下一站用高压水枪将避孕套从模具中冲出

They''''''''''''''''re now washed and dried with a cornstarch solution

生产线现在要用玉米淀粉溶液洗涤和干燥了

This leaves a layer of powder on the sticky latex surface preventing the condom from sticking to itself

这样就在乳胶表面留下了一层粉末,防止避孕套粘在一起

The factory''''''''''''''''s quality control lab checks random samples from every batch

工厂的质量控制实验室随机抽查每批次产品的样品



The mandrel is made of metal a good conductor of electricity

这轴柄是用金属制成的,是导电的良导体

a spinning rubber wand with an electric current running through it goes over each condom

每个避孕套上都有电流通过旋转橡胶棒

If there''''''''''''''''s a hole in the latex the current from the rubber wand will run through it and come into contact with the mandrel

如果乳胶上有一个洞,电流就会穿过它,并与轴柄接触

This triggers the machine to reject the defective condom after it''''''''''''''''s rolled up

这会触发机器在有缺陷的避孕套被卷起后淘汰它

The condoms roll up neatly thanks to the bead at the rim

多亏了安全套顶端上的气囊,避孕套可以卷得整整齐齐

A robotic arm tosses the defective ones into a rejection bin and

一个机械手臂会将有缺陷的产品扔进废品箱



Pushers insert them into the box

机械推手把避孕套送进盒子里

The next station seals the boxes and prints the lock tracking number and expiry date

下一站,密封箱子,并打印锁跟踪号码和过期日期

Both of which were also printed on the foil packets inside

里面的锡箔纸包装上也印有这两组数字

The foil packets protect the latex from damage caused by moisture, heat, and ozone

铝箔包装可以保护乳胶免受水分,热量和臭氧造成的损害

So these condoms are good to go for the next five years

因此这些避孕套在接下来的五年里都是称职的拦精灵。