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Home construction.

Home construction

https://en.wikipedia.org/wiki/Home_construction


House construction phases


Architectural design values

https://en.wikipedia.org/wiki/Architectural_design_values


Architects

https://en.wikipedia.org/wiki/Architect


Engineers

https://en.wikipedia.org/wiki/Engineer


Builders

https://en.wikipedia.org/wiki/Builder


Building code

https://en.wikipedia.org/wiki/Building_code




External construction

Internal construction

Finishing construction


List of house types

Walls.

https://en.wikipedia.org/wiki/Wall









"Brick wall close-up view" by Pawel Wozniak - http://freestocktextures.com/texture/id/690. Licensed under CC BY-SA 3.0 via Commons - https://commons.wikimedia.org/wiki/File:Brick_wall_close-up_view.jpg#/media/File:Brick_wall_close-up_view.jpg

Defensive wall




Retaining wall











Tetrapod





























'Excavations led to the discovery of huts that had been built from mammoth bones. 
The huts date back 15,000 years, and are among the earliest known prehistoric shelters.'




Fences.

https://en.wikipedia.org/wiki/Fence







"Barbed Wire, SC, Victoria, 15.9.2007" by Jjron - Own work. Licensed under CC BY-SA 3.0 via Commons -https://commons.wikimedia.org/wiki/File:Barbed_Wire,_SC,_Victoria,_15.9.2007.jpg#/media/File:Barbed_Wire,_SC,_Victoria,_15.9.2007.jpg


Chain-link fencing








Barbed tape



"Razor Wire Bunch" by Smithers7 - Own work. Licensed under CC BY 3.0 via Commons - https://commons.wikimedia.org/wiki/File:Razor_Wire_Bunch.JPG#/media/File:Razor_Wire_Bunch.JPG

Agricultural fencing


Electric fence



Detail of an electric fence material made of synthetic cord with metal interwoven through it, attached to a steel fence post with a plastic insulator. This material is more visible than wire, but most often used for temporary fencing.

Wire obstacle




A complex obstacle belt of low wire entanglement backed by a double apron fence. Both obstacles have movable openings that can be blocked with knife rests.

Laser fence


Roofs.

https://en.wikipedia.org/wiki/Roof



"Roof diagram" by KDS444 - Own work. Licensed under CC BY-SA 3.0 via Commons - https://commons.wikimedia.org/wiki/File:Roof_diagram.jpg#/media/File:Roof_diagram.jpg






























Rooftop helipads sometimes display a large two-digit number, representing the weight limit (in thousands of pounds) of the pad. In addition, a second number may be present, representing the maximum rotor diameter in feet.





"LeBlanc Roofing" by National Institute for Occupational Safety and Health - http://www.flickr.com/photos/niosh/9253633549/. Licensed under Public Domain via Commons - https://commons.wikimedia.org/wiki/File:LeBlanc_Roofing.jpg#/media/File:LeBlanc_Roofing.jpg














Lightning rod

https://en.wikipedia.org/wiki/Lightning_rod








































"Lightning-rod-diagram" by Wdchk - Own work. Licensed under CC BY-SA 3.0 via Commons - https://commons.wikimedia.org/wiki/File:Lightning-rod-diagram.svg#/media/File:Lightning-rod-diagram.svg




Parkour attacks from Exarchia rooftops against riot police


Shutters.

https://en.wikipedia.org/wiki/Shutter


Window shutter



Roller shutter








Locks.

https://en.wikipedia.org/wiki/Lock
https://en.wikipedia.org/wiki/Lock_(security_device)
https://www.google.gr/search?q=Locks&es_sm=122&biw=1440&bih=731&source=lnms&tbm=isch&sa=X&ved=0CAcQ_AUoAWoVChMIpdqt4ryoyAIVBNgsCh0iNw4U







Alarms.

https://en.wikipedia.org/wiki/Alarm_device
Security alarm
https://en.wikipedia.org/wiki/Security_alarm




"Strain -sensor cable installation" by United States Department of Army - FM 3-19.30: Physical Security. Licensed under Public Domain via Wikipedia - https://en.wikipedia.org/wiki/File:Strain_-sensor_cable_installation.jpg#/media/File:Strain_-sensor_cable_installation.jpg

Cameras.




https://en.wikipedia.org/wiki/Wireless_security_camera
https://en.wikipedia.org/wiki/Closed-circuit_television




Security Equipment and Security Products

https://www.google.gr/search?q=security+equipment&es_sm=122&source=lnms&tbm=isch&sa=X&ved=0CAcQ_AUoAWoVChMIvNfKj-GtyAIVwVcaCh2frQog&biw=1440&bih=731#tbm=isch&q=security+guard+equipment







Personal Security Equipment


Home Security Equipment

https://www.google.gr/search?q=security+equipment&es_sm=122&source=lnms&tbm=isch&sa=X&ved=0CAcQ_AUoAWoVChMIvNfKj-GtyAIVwVcaCh2frQog&biw=1440&bih=731#tbm=isch&q=home+security+equipment




"P25 hand-held radios" by Evan Forester - [en.wikipedia.org/wiki/File:P25_hand-held_radios.jpg]. Licensed under Public Domain via Commons - https://commons.wikimedia.org/wiki/File:P25_hand-held_radios.jpg#/media/File:P25_hand-held_radios.jpg

Private Military Companies

https://en.wikipedia.org/wiki/Private_military_company

Private Security Companies.

https://en.wikipedia.org/wiki/Private_security_company


List of private security companies


https://en.wikipedia.org/wiki/List_of_private_security_companies


Private security industry in South Africa


https://en.wikipedia.org/wiki/Private_security_industry_in_South_Africa

Guards.

https://en.wikipedia.org/wiki/Guard





Bodyguard




"DEVGRU soldiers protecting Hamid Karzai" by http://www.americanspecialops.com/photos/devgru/devgru-bodyguards.php. Licensed under Public Domain via Commons - https://commons.wikimedia.org/wiki/File:DEVGRU_soldiers_protecting_Hamid_Karzai.jpg#/media/File:DEVGRU_soldiers_protecting_Hamid_Karzai.jpg



Security guard




















"Private factory guard" by Robbie Sproule from Montreal, Canada - Flickr.com - image description page. Licensed under CC BY 2.0 via Commons - https://commons.wikimedia.org/wiki/File:Private_factory_guard.jpg#/media/File:Private_factory_guard.jpg

Prison officer


Border guard


Coast guard


National Guard




Guard dog



"Dobermann". Licensed under CC BY-SA 3.0 via Commons - https://commons.wikimedia.org/wiki/File:Dobermann.jpg#/media/File:Dobermann.jpg


Livestock guardian dog



Guard llama



"Guard llama and flock-enhanced" by Paul Keleher from Mass, US, photoshopped by Zanaq. Licensed under CC BY 2.0 via Commons - https://commons.wikimedia.org/wiki/File:Guard_llama_and_flock-enhanced.jpg#/media/File:Guard_llama_and_flock-enhanced.jpg


Electronic Wachdog




























Knightscope










































"PnP-Expo-55" by Knightscope Photography Team - http://knightscope.com/gallery/. Licensed under CC BY-SA 3.0 via Commons - https://commons.wikimedia.org/wiki/File:PnP-Expo-55.jpg#/media/File:PnP-Expo-55.jpg








PSNI Cardboard Policeman at the entrance to Buttercrane Shopping Centre
Such cutouts are used as a crime prevention measures.