The hybrid material is composed of calcium carbonate microparticles with the polyelectrolyte additive and silver nanoparticles (nAg) embedded in its structure. The process of making of the hybrid material comprises of ultrasound-assisted coprecipitation of calcium carbonate in aqueous medium in the .....
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Detonator filled in with destilled water!Activated by small battery touch!Petty patent MP-224 !
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The sphere itself is made out of six interlocking parts held together by magnets and tracks.
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Magnetic ink system, without a strong spring
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Sanitary Door Handle for pull doors for ultimate Hygiene solution No disinfective spray or solution or motorised system, or cumbersome door linkages. Simple and ready to install on pull doors. No external or internal power source is required. Each pull and release of the handle dispenses a fresh pap.....
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