Sub categories for technology:

• Alternative technology
• Appropriate technology
• Assistive technology
• Banking technology
• Cyber Infrastructure
• Cybernatics
• Digital Technology
• Drilling Technology
• Drive by wireDisruptive technology
• Domestic technology
• Educational technology
• Electronics
• Emerging technology
• Energy
• Environmental technologies
• Explosives
• Film and video technology
• Flavor technology
• Geographical technology
• Green energy design
• High tech
• Industrial technology
• Information technology
• Low-technology
• Lubricants
• Machinery
• Media technology
• Military technology
• Mining techniques
• Microtechnology
• Music technology
• Nanomanufacturing
• Sound technology
• Space technology
• Telecommunication
• Transportation
• Travel technology
• Vehicle technology
• Waste treatment technology

Based from Wikipedia.

Tags: niche technology