Abstract: A wireless control system for fluids, such as water or gas, controls an electronic valve mechanism located at the main fluid entrance of buildings. The valve is kept closed when no request is made for use of the aquifer or gas system, thus lessening the pressure on the plumbing during the non-use of the system and greatly reduces risk of damage when a break occurs in plumbing. The valve can be controlled by sensors, which could be wirelessly and securely connected; by a central unit accessible via a screen placed directly on the unit; and through several types of interfaces available for better flexibility of the control system. A web interface can be accessed via a computer or mobile on the local network via Wi-Fi or from outside via VPN or web address and a specific port pointed to the previously configured network.

Abstract: A storable screen assembly wherein a first and second vertical post have a screen extending therebetween, each of the posts having a vertically extending channel therein and a slot in facing side walls to receive the screen, the flexible screen having a guiding element secured to each of the side marginal edges which fit through the slots and remain within the vertically extending channels, the guiding element having a C-shaped portion which remains within the channel, the guide element being of a flexible resilient material.

Abstract: The present invention relates to a novel oviductal catalase having a molecular weight of about 60 KDa and which binds to a spermatozoa membrane outer surface, wherein said catalase once bound to the spermatozoa membrane outer surface protects said spermatozoa against oxidation. A method of stabilizing spermatozoa membrane and improving spermatozoa survival during migration in oviduct and/or uterus for artificial insemination; which comprises coating spermatozoa with such a catalase enzyme. A method of improving spermatozoa survival during migration in oviduct and/or uterus in cases of female infertility due to the absence of endogenous catalase in the genital tract of the female subject; which comprises administering catalase in the female genital tract before coit or coating spermatozoa with a catalase enzyme for artificial insemination. Also provided herein are method of diagnostic of male or female infertility.

Abstract: There is provided a tensioning arrangement for an awning structure which includes a plurality of vertical support posts and at least one horizontal member extending between a pair of the posts and having an awning of a flexible sheet material secured at one end and having a free marginal edge at an opposed end thereof, the tensioning member being mounted in a moveable relationship to the horizontal member, the tensioning member having means for receiving the free marginal edge and means for removing the tensioning member with respect to the horizontal member to thereby apply tension to the flexible sheet material. Operation of the system permits one to quickly achieve a uniform tension and maintain the same.