Have you child first thread a green pasta onto the thread. (buggyandbuddy.com)
In anglioplasty, a thin tube with a balloon or other device on the end is first threaded through a blood vessel in the arm or groin up to the site of a narrowing or blockage in a coronary artery. (termland.com)
The first thread integrates the geological record of past environmental changes to quantify our understanding of the past and provide data sets against which to test the models used to make projections of future global change. (bobkopp.net)