On Thu, 20 Apr 2017 20:56:09 +0300, Micky wrote:

Snip

But I wonder if 40 or 50 minutes or 2 hours of tumbling will have a
greater wear factor on the shirts than 20 minutes, or haning on the
line. ???

FWIW, the dryer goes one direction for a couple minutes, pauses for 5
or 10 seconds and then reverses.

Are you serious??