Concrete additives, namely a liquid polymer that is not self-leveling and requires trowel or spray application; Chemical additives for use as binding agents in aggregate, namely, a liquid polymer that is not self-leveling and requires trowel or spray application

Concrete additives; Chemical additives for accelerating hardening of concrete; Concrete admixtures

Concrete and Flowable Cementitious Material Transporting and Placement Units for Use in Underground Structures, Such as Tunnels, Mines and the Like