ਫਾਟਕ:ਟੈਕਨੌਲੋਜੀ ਅਤੇ ਕਾਢ/Intro

Technology

Portals

Engineering • Agriculture and Agronomy  • Astronomy • Biotechnology • Bridges • Electronics (Telecommunication) • Mass surveillance • Energy (Renewable energy) • Forestry • Hazardous Materials • Infrastructure • Mining • Nanotechnology • Nuclear technology • Robotics

Computing and Information technology

Computer networking (Internet, IRC) • Computer programming (Python programming, Java) • Computer science (Artificial intelligence, Computer graphics) • Computer security (Cryptography) • Software (Free software, Linux) • Apple • Google • Microsoft• Alphabet

Transport

Aviation • Bicycles/Cycling • Buses • Cars (Australian, Japanese) • Trucks • London Transport • Nautical (UK Waterways) • Roads (Australian Roads, Canada Roads, U.S. Roads, California Roads, Maryland Roads, Michigan Highways, New York Roads, Washington Roads) • Spaceflight • Trains (North American railways, Railways in India, Sri Lanka Railways, UK Railways, Trams, UK Trams)