electronic equipment icon measuring metering monitor O-scope oscilloscope pictogram scope screen sign sine wave sinusoid symbol test antique black engine flywheel industry iron locomotive metal obsolete old old-fashioned railroad steam track traffic train transport anniversary calyx celebration ceremonial drink drop feast festivity fete gala glass holiday marry succes toast wine auto blank car directions drive graphic highway illustration interstate map post road roadside roadway simple travel art curves design elegant element floral flourish flower flowers flowing heart love red shape valentine valentines ba1969 ball bubble button CGI click isolated push reflection start stop web yellow cabinet chair color colors colour colours decor furnishings furniture lamp oval room