Itch (Itching or Pruritus) Itching can be a common problem. Itches can be localized or generalized. There are many causes of itching to include: infection...learn more Â». Menopause Menopause is the time in a woman's life when menstrual periods permanently stop, also called the change of life..
SMT (surface mount technology) component placement systems, commonly called pick-and-place machines or P&Ps, are robotic machines which are used to place surface-mount devices (SMDs) onto a printed circuit board (PCB).
p-Xylene - Production. 1  The production of p-xylene is industrially significant, with annual demand estimated at 37 million tons in 2014, and still on the increase. [7] [8] p-Xylene is produced by catalytic reforming of petroleum naphtha as part of the BTX aromatics (benzene, toluene and the xylene isomers) extracted from the catalytic reformate.