The present invention relates to a novel composition comprising danielone and derivatives thereof as well as to the use of such compositions in skin lightening. The jack housing includes an electrically non-conductive substrate metallized with a metal shield layer. Techniques for forcing vocoder processing of one data-frame to take the same number of cycles are described. During the normal use of the device the side plates extend above the knee of the person using the device, who is standing on either one or both of the foot plates. The through-optical bench uses a collimated beam of light which passes through the seeker nose optical cluster, then through a mask which mimics the mirror, then through an identical optical cluster which substitutes for the reflection, and finally onto a screen to form a focused image directly viewable by a microscope. The control method of a dish washing machine includes supplying water into a washing compartment through spray arms, a first supplying steam, generated by a first steam generator, into the washing compartment, and when the abnormal operation of the steam generator is detected, terminating the operation of the first stem generator.