medical apparatus and instruments provided empty used by patients for mixing a pharmaceutical and diluents

CEMENT CONCRETE AND AGGREGATES AND MIXTURES CONTAINING AGGREGATE AND CEMENTFOR USE IN BUILDING OPERATIONS AND CONCRETE WORK

construction tools; mechanical tool for combining dry mix components with water base; manual mixing and control apparatus for preparing two component mix and other pre-mix (ready-mix) slurries including mortar and concrete; reduces time and labor required to control density and uniformity of slurry/product