gears speaker spring spring printed circuit board dial scale generator – at full speed produces a current of around 30mA at a voltage of 3V inner dog-tooth gear outer cage ratchet – winding handle turns inner dog-tooth gear. As spring unwinds, teeth engage turning the outer cage which turns the gears winding handle 28 Quick and dirty environmental analyses for garments: what do we need to know?...

A signal propagating in a shallow water waveguide is subjected to (a) multiple re ections o the ocean boundaries and (b) distortion because of the dispersive properties of the propagation medium. Because of these corruptions, the received signal di ers substantially from the transmitted signal. Although the transmission is sometimes exactly known, the received signal cannot be described in deta...

there has been an increasing concern about inactive drivers who would easily lead to road accidents and fatalities once return to driving. this study investigated the re-usability of traffic signs for inactive drivers with consideration of driver factors and cognitive sign features. fifty-seven hong kong chinese, who possessed a full driving license but had not driven for an extended period, co...

abstract background: the main goals in treating burns are to accelerate tissue renovation and prevent infection. topical antibiotics are used in the treatment of burns, but they can cause side effects. recently, a traditional ointment (olea) has been used in iran in the treatment of burns. this study examines the effect of topical honey ointment in healing of burn patients. materials and method...