Continuity features include Handoff, Phone Calling, Instant Hotspot, and SMS. You can start an email or document on iPhone, for example, and then pick up where you left off on your iPad. You can use your iPad or Mac to make and receive phone calls through your iPhone.
The purpose of Poka-Yoke is to develop processes to reduce defects by avoiding or correcting (design to show alerts or warning messages to user) mistakes in early design and development phases.
Dear Myra: The primary purpose of the squiggles, which are called chalazae, is to give the heebie-jeebies to squeamish gentlepersons such as yourself, and secondarily to keep the yolk from sloshing around inside the egg. Normally there are two chalazae, which connect the yolk to either end of the egg and keep it suspended in the middle.