Scientific apparatus, namely, optical mirrors, spectrometers; laptop computers; computer hardware; hard disk transfer frame, namely, hard disk drives (HDD); data processing equipment, namely, couplers; computer keyboards; mouse being computer peripheral; mouse pads; wires, electric; microphones; horns for loudspeakers; earphones; materials for electricity mains, namely, wires, electric cables; computer case; mobile or wireless device accessories, namely, rechargeable batteries, rechargeable battery packs and chargers; battery chargers; portable battery chargers, portable solar powered battery charger, dual USB car charger for batteries; electricity transformers; computer power supplies; uninterrupted power supplies; batteries, electric; heat sinks for use in computers; Central Processing Unit (CPU) coolers; heat sinks for use in graphics cards; liquid cooling systems for computers, comprised of water cooled computer heat sinks, pumps, radiators, liquid supply mechanisms in the nature of tanks, reservoir fans and cooling blocks and parts and fittings therefore in the nature of computer peripheral devices; Liquid cooling system for central processing unit (CPU), namely, central processing unit (CPU) coolers; Liquid cooling system for graphics cards, namely, coolers as a component part of graphics cards; internal and external cooling fans for computers; Central Processing Unit (CPU) cooling fans; cooling fans for graphics card; cooling fans for computer case; laptop computer cooling pads; electronic publications, downloadable, namely, magazines in the field of computer technology; electronic publications, downloadable, in the nature of magazines, newsletters, in the field of computer technology; smartphones; headphones