Scales, weighing apparatus, weighing installations being apparatus for weighing, and weighing instruments; checkweighers in the nature of automatic catchweighing instruments being weighing scales; metal detectors; mechanical, electric, and electronic components of scales, weighing apparatus, weighing installations being apparatus for weighing, weighing instruments, check-weighers in the nature of automatic catchweighing instruments being weighing scales, and metal detectors, namely, capacitors, connectors, filters, switches, transformers, semiconductors, integrated circuits, load cells being electrical transducers, digital readout devices being electronic numeric or graphical displays, structural parts being circuit boards, housings, frames, and fastenings, cable junction boxes, protection covers, keyboards, wire and wireless electrical transmitters, weight, pressure, speed, and fluid level indicators and power controllers, electric switches, electric cables, electric controllers, and electrical interfaces being computer interface boards; data input equipment, electronic data display interfaces, and data transfer and control apparatus all being electronic interface equipment for machine tools in the nature of scales, weighing apparatus, weighing installations being apparatus for weighing, weighing instruments, checkweighers in the nature of automatic catchweighing instruments being weighing scales, and metal detectors to input computer numerical control data