The following processes when carried on in factories other than leadless glaze factories:—
(i)Dipping or other process carried on in the dipping house.
(ii)The application of majolica or other glaze by blowing, painting or any other process except dipping.
(iii)Drying after the application of glaze by dipping, blowing or any other process.
(iv)Ware-cleaning after the application of glaze by dipping, blowing or any other process.
(v)Glost placing.
(vi)Any other process in which glaze is used or in which pottery articles treated with glaze are handled before glost firing.