An 90 degree elbow joint with a hub on one end and male threads on the other. Used to make an angled connection between pipe or tubing and a fitting with a hub.
Street improvement
Repairing the street for safety and attractiveness. In some localities, the homeowner is responsible for properly maintaining the street surrounding his home.
Street stake
Marker for the first road cut made when the streets are laid out in a potential subdivision. The stakes are place along both sides of the street so that the grade can be marked for the excavating to be done.
Strength
(1) The power to resist strain or stress. (2) The state of being strong and having force, power, etc. (3) The ability of a structural member to bear the weight load place upon it without breaking or bending.
Stress
A force exerted upon a thing that tends to cause strain, separation or deform its shape.
Stress cover construction
Construction consisting of panels or sections with wood frameworks to which plywood or other sheet material is bonded with glue so that the covering carries a large part of the loads.
Stress cracking
Also referred to as crazing. Fine cracking which appears in the surface of paint, porcelain, etc.
Stress, allowable
The maximum permissible stress that is permitted to be placed safely on a structural member or pressure-retaining component. This is determined through testing and varies specifically with the material in question.
Stressed skin
Plywood sheathing and framing bonded together to form a work unit to resist loads.
Stretch
A carpet installation term for the give in carpet when it is pulled over pad onto tackless strips.
