Wet grinders have two advantages over electric mixers or blenders. Schaeffer used a PA system, several turntables, and mixers. Components can be sources, sinks, codecs, filters, splitters, mixers, or any other data operator. Various components can be mounted to the drum, such as drum pumps and bung mixers. Spiral mixers can mix dough with less agitator friction than planetary mixers. They are used either as soft drinks or nonalcoholic cocktail mixers. Other products included stand mixers (for making batter), fans, and hair dryers. Implementations such as electronic mixers and stereo sound may require arrays of identical circuits. Many mixers and recorders intended for that market have a T-power option. Some producers have also won awards as engineers, mixers and/or mastering engineers. Several digital mixers include spectrograph and real time analyzer functions. In this aspect, ultrasonication is an alternative to high-speed mixers and agitator bead mills. Smaller counter-top stand mixers for home kitchen use soon followed. Some success has been achieved with the use of cement mixers and bulk sieving. Patch bays are mainly used for recording mixers.