Hold tube bend in position, Fig. 5, and mark tube on level with top of hex on compression coupling. Cut offtube at this mark.
将管子弯头握住在位置上,图5,在压紧联轴节上六角顶部标注管道水平位置。
2
The "service-users" - as the volunteers here call them - are a truly disparate group - some look as if they've just stepped off the tube after a busy day at work, others are unkempt and smell feral.
No giant sucking sound, just the gentle hissing of an inner tube losing air, threatening a flat tire that could send the American dream machine off the road.