electric outlet power point electric receptacle electrical outlet outlet point wall plug receptacle

electric socket receptacle

socket wrench receptacle ball-and-socket joint box end wrench box wrench

hip socket alveolus bodily cavity os cavity tooth socket acetabulum bone cotyloid cavity cavum

gable panelling firewall building archway dado stretcher partition wainscotting gable wall capstone sidewall coping door coping stone hallway doorway pane pier cavity wall attic chimney breast room access proscenium arch header edifice copestone room course wall panel proscenium wall cope wainscoting bearing wall wainscot divider row gable end threshold hall paneling parapet

footwall physical object object hanging wall

paries abdominal wall stratum

battlement munition bulwark fortification merlon embankment rampart bailey earthwork crenellation crenelation fraise

party wall fencing retaining wall fence

difficulty