HSS refers to the pickups. The standard Strat has three Single coil pickups, and would be designated SSS. The H in HSS implies that the bridge pickup is a Humbucker. Thi â¦ s became popular because many players find that a single coil in the bridge position sounds too thin and sharp.
To ensure compliance with NACE MRO175, the following requirements must be met: 1  Approved mild carbon steel or fully annealed 316 stainless steel materials. 2  ASME approved welders and weld procedures. 3  Hardness testing to maximum HRC 22.
The new standards are a five-tier system including six types of investigations. The NACI investigation is used for clearances at the Tier 1 level. The primary reason that the NACI is not an appropriate investigation for a security clearance is that a credit check is not required. When a security clearance adjudicator makes a clearance determination, the decision is based on the whole person concept as related to 13 adjudication criteria.