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Selective laser sintering (SLS) is an additive manufacturing (AM) technique that uses a laser as the power source to sinter powdered material (typically nylon or polyamide), aiming the laser automatically at points in space defined by a 3D model, binding the material together to create a solid structure.

The SLS AMG was designed by Mark Fetherston to be a modern 300SL Gullwing revival from October 2006 to April 2007. The SLS AMG has also adapted the feature of the gull-wing doors that swing open upwards on gas struts, and must be closed manually as AMG engineers decided against the 41 kg (90 lb) of additional weight that auto-closing systems would have added to the car.

The SLS is a Space Shuttle-derived launch vehicle.The first stage of the rocket is powered by one central core stage and two outboard solid rocket boosters.All SLS Blocks share a common core stage design, while they differ in their upper stages and boosters.

Sodium dodecyl sulfate (SDS) or sodium lauryl sulfate (SLS), sometimes written sodium laurilsulfate, is a synthetic organic compound with the formula C H 3 (CH 2) 11 S O 4 Na. It is an anionic surfactant used in many cleaning and hygiene products. This molecule is an organosulfate and a salt.

The related surfactant sodium lauryl sulfate (also known as sodium dodecyl sulfate or SDS) is produced similarly, but without the ethoxylation step. SLS and ammonium lauryl sulfate (ALS) are commonly used alternatives to SLES in consumer products. Safety. Tests in the US indicate that it is safe for consumer use.

A drum brake is a brake that uses friction caused by a set of shoes or pads that press outward against a rotating cylinder-shaped part called a brake drum.. The term drum brake usually means a brake in which shoes press on the inner surface of the drum.