The 14 geometrical tolerances defined in ISO 1101 are supplemented by the alphanumerical symbols this standard and some other standards. CZ (combined zone), SZ (separate zones) SIM (simultaneous requirement), which crucial for development of robust measuring programs coordinate machines, were introduced at different times or It is shown that symbol definitions not always complete. Sometimes the...

Some life transitions can be difficult to discuss on social media, especially with networks of known ties, due challenges such as stigmatization. Separate online provide alternative spaces transitions. To understand why and how people turn separate networks, we interviewed 28 participants who had recently experienced While prior research tends focus one transition in isolation, this work examin...