| 40 |
chrome plating |
| 40 |
chrome plating of metal articles |
| 40 |
chrome plating of metallic objects |
| 40 |
chroming of motor vehicle bumpers |
| 40 |
chromium plating |
| 40 |
chromium plating of automobile bumpers |
| 40 |
chromium plating of car bumpers |
| 40 |
chromium plating of metal articles |
| 40 |
chromium plating of metallic objects |
| 40 |
chromium plating of motor vehicle bumpers |
| 40 |
chromium plating of vehicle bumpers |
| 40 |
cider-making for others |
| 40 |
cinematographic film duplication |
| 40 |
cinematographic film duplication for television |
| 40 |
cinematographic film processing |
| 40 |
cinematographic film reproduction for television |
| 40 |
clean energy production |
| 40 |
clean energy production from biofuels |
| 40 |
clean energy production from biogas |
| 40 |
clean energy production from biomass |
| 40 |
clean energy production from geothermal resources |
| 40 |
clean energy production from hydrogen |
| 40 |
clean energy production from natural fibers |
| 40 |
clean energy production from natural fibres |
| 40 |
cloth bleaching |
| 40 |
cloth bleaching services |
| 40 |
cloth cutting |
| 40 |
cloth dyeing |
| 40 |
cloth edging |
| 40 |
cloth fireproofing |
| 40 |
cloth pre-shrinking |
| 40 |
cloth treating |
| 40 |
cloth waterproofing |
| 40 |
cloth whitening |
| 40 |
clothing alteration |
| 40 |
clothing alteration [custom manufacture] |
| 40 |
clothing alteration services |
| 40 |
clothing alterations |
| 40 |
clothing bleaching |
| 40 |
clothing bleaching services |
| 40 |
clothing embroidering |
| 40 |
clothing embroidery services |
| 40 |
coal blending |
| 40 |
coal processing |
| 40 |
coal treatment |
| 40 |
coating and surface finishing of machines and tools |
| 40 |
coating of metal surfaces using chemical vapor deposition processes |
| 40 |
coating of metal surfaces using chemical vapour deposition processes |
| 40 |
coating of metal surfaces using physical vapor deposition or chemical vapor deposition processes |
| 40 |
coating of metal surfaces using physical vapor deposition processes |