Arko

An arkó amo an abrehan o surudlan han usa ka istruktura nga nakurbada it bawbaw.

Mga reperensya
 Pinanbasaran

 
 
 
 
  pp. 27–8

Mga sumpay ha gawas

 NOVA: Physics of Stone Arches
 InteractiveTHRUST
 DIYinfo.org's Constructing Brick Arches Wiki - A wiki on how to construct brick arches around the house
 DIYinfo.org's Constructing Timber Framed Arches Wiki - Similar to the brick arches but extra information for timber arches