Weighing machines; Surveying apparatus and instruments; Slope indicators; Surveying apparatus; Computer programs, recorded, for use in database management, use in electronic storage of data; Computer operating programs, recorded; Computer peripherals; Recorded computer networking software; Downloadable computer programs for using the internet and the world wide web; Printed circuit boards; Computer hardware; Wearable activity trackers; Wearable computers in the nature of smartglasses; Biometr...