A system for capturing airborne particles from a mixing apparatus for mixing mineral based building materials, particularly such materials containing a silica based material, wherein there is a hood assembly attachable to a mixing apparatus and positionable such that airborne particles generated in loading the mixing apparatus are drawn into the hood, the hood being operatively connectable to a vacuum/filtration apparatus.

The invention relates to a container, wherein the container comprises a wall and a valve, wherein the wall defines an interior cavity, wherein the cavity has an adjustable volume, wherein the cavity contains a composition, wherein the composition comprises a nanomaterial, and wherein the volume of the composition is less than or equal to about 50 vol % of the maximum volume of the cavity.

A well material distribution method includes obtaining at least one material-containing sack containing at least one well material, placing the at least one material-containing sack in an automatic sack cutting machine, opening the at least one material-containing sack and dispensing the at least one well material by operation of the automatic sack cutting machine and distributing the at least one well material from the automatic sack cutting machine directly into a mixing vessel configured to simultaneously handle a plurality of well materials. Well material distribution systems are also disclosed.

A well material distribution method includes obtaining at least one material-containing sack containing at least one well material, placing the at least one material-containing sack in an automatic sack cutting machine, opening the at least one material-containing sack and dispensing the at least one well material by operation of the automatic sack cutting machine and distributing the at least one well material from the automatic sack cutting machine directly into a mixing vessel configured to simultaneously handle a plurality of well materials. Well material distribution systems are also disclosed.

A beverage dispenser includes a mixing portion to mix a plurality of beverage ingredients and a dispensing portion to dispense the mixed beverage. The dispenser further includes a product input portion having a plurality of refillable ingredient bins operably connectible to the mixing portion. Each refillable ingredient bin includes a self-closing seal located at a bin outlet to prevent leakage of the beverage ingredients from the bin outlet when the refillable ingredient bin is disconnected from the mixing portion. An ingredient bin assembly for a beverage dispensing machine includes a refillable ingredient bin having a bin outlet and a self-closing seal positioned at the bin outlet to prevent leakage of beverage ingredients from the bin outlet when the refillable ingredient bin is disconnected from a beverage dispensing machine.