An LGA socket suitable for electro-optical modules, such as transceivers having channels operable at 25 Gbits, or greater. The cryostat 5 comprises a vessel 6 for holding cryogenic liquid and, leading away from the vessel, a quench duct 7 for allowing escape from the vessel of gas generated by boiling of the cryogenic liquid due to quenching of the magnet. An optical fiber buffer tube constructed according to the method is further provided. A method of reducing the quantity of airborne dust generated when sanding a fully hardened joint compound includes mixing a sufficient quantity of the dust reducing additive with the joint compound prior to when the joint compound has been applied to the wall. , using Really Simple Syndication or Session Initiation Protocol. Both the head portion and the handle portion are bonded to the absorbing material and are thereby connected to each other.