(roofing) a metal panel profile featuring a step-down profile that runs perpendicular to the slope of the roof.

(construction) A standing seam that uses a double overlapping interlock between two metal panels.

plural of sealed beam

(technology) A type of electric lamp for producing a beam of light in which the filament is sealed inside a unit consisting of the reflector and lens so as to ensure the alignment of the beam and to protect the reflector from becoming dirty or tarnished.

The state or condition of being seamy.

(Construction) A compressible material placed in a joint before applying sealant.

(roofing) A type of seam between adjacent sheets of metal roofing material made by turning up the edges of two adjacent panels and then folding or interlocking them in a variety of ways.

A rubber or neoprene washer, sometimes metal-backed, typically placed on a fastener to prevent water from migrating into and through the fastener hole.

A finger ring with an engraved (often heraldic) seal, fit for sealing documents by pressing it in sealing wax or a similar substance

(Internet) The use of various techniques to improve a web site's ranking in search engines in the hopes of attracting more visitors.