A master cylinder having a bore fitted with at least one piston and at least one seal. A method of filtering at least one target solid from a liquid is also provided. Further, a manufacturing method of a liquid crystal display device according to the invention includes at least one step for forming the following patterns required for manufacturing a liquid crystal display device without using a photomask: a pattern of a material layer typified by a wiring pattern, an insulating layer pattern; or a mask pattern for forming another pattern. The club head can further comprise an adjustable sole piece that can be locked on the sole at a plurality of discrete positions to adjust face angle. The body is hollow and contains an inverter suitable for the conversion of electric power.