These challenges can be overcome either by adding technology to a robot or by adding infrastructure to a robot's environment.

The system is reversible on addition of TMP.

A precipitate is created by adding ethanol to a mixed solution produced by adding a surfactant solution to an aqueous solution of peroxotitanic acid.

The additive is introduced by adding it to the nebulizing gas.

VAM can be produced in several ways: (i) by adding acetic acid to acetylene; (ii) by adding acetic acid to ethylene; (iii) by reaction of acetic anhydride with acetaldehyde.

The connection of the primaries is phase add.

The hydrolytic polycondensation is carried out by adding water or moisture.

The information is hidden by adding pixels of certain colours.

The filtrate is swelled by adding hydrogen peroxide to the filtrate.

The second nucleic acid is amplified by adding a polymerase.

A single beam (211) is produced by adding signals inputted through the first input port (104) and a dual beam (212) is produced by adding signals inputted through the second input port (106).

The compound on each section is desorbed by adding a solvent.

This composite can be completely dissolved again by adding a suitable solvent.

Modular construction allows the compressor to be retrofit with upgrades.

Conversion of ethyl acetate may be improved by adding water to the reactor.