Mark differences in colours

Identify differences between colours, such as shades of colour.

mark a difference in colours
register changes in colours
marking differences in colours
document changes in colours
acknowledge changes in colours
marking a difference in colours
note changes in colours

skill/competence

cross-sector

Mark differences in colours is an essential skill of the following occupations:

Meat cutter: Meat cutters cut carcasses of animals into large and smaller parts for further processing. They remove bones from pre-processed carcasses of animals either manually or using machines.

Cigar brander: Cigar branders tend machines that stamp brands on cigar wrappers. They keep machines supplied with all the required input material and observe that processes do not jam. They clean ink rollers preventively.

Baker: Bakers make a wide range of breads, pastries, and other baked goods. They follow all the processes from receipt and storage of raw materials, preparation of raw materials for bread-making, measurement and mixing of ingredients into dough and proof. They tend ovens to bake products to an adequate temperature and time.

Slaughterer: Slaughterers slaughter animals and process carcasses for further processing and distribution.

Butcher: Butchers order, inspect and buy meat to prepare it and sell it as consumable meat products. They perform activities such as cutting, trimming, boning, tying, and grinding beef, pork, and poultry meat. They prepare those mentioned sorts of meat for consumption.

Kettle tender: Kettle tenders operate machines that mix chewing gum base with sugar or sweetener. They follow procedures to place gum base in containers and then direct it to flow into mixers.
Halal butcher: Halal butchers order, inspect and buy meat to prepare it and sell it as consumable meat products in accordance with Islamic practices. They perform activities such as cutting, trimming, boning, tying, and grinding beef and poultry meat. They prepare halal meat for consumption.
Oenologist: Oenologists track the wine manufacturing process in its entirety and supervise the workers in wineries. They supervise and coordinate production to ensure the quality of the wine and also give advice by determining the value and classification of wines being produced.
Leaf sorter: Leaf sorters analyse colour and condition of tobacco leaves in order to determine whether they should be used as cigar wrappers or binders. They select leaves without visible defects taking into account colour variations, tears, tar spots, tight grain, and sizes as per specifications. They fold wrapper leaves into bundles for stripping.
Fish trimmer: Fish trimmers cut off fish heads and remove organs from the body for fish and seafood production. They remove organs by scraping and washing, cut out areas presenting defects, and package the processed fish in appropriate containers.
Blanching operator: Blanching operators remove outer coverings or skins from almonds and nuts in general. They cut leaves and impurities of raw material and control the flow of nuts, seeds, and/or leaves in the process. They use pressure and temperature to blanch the raw material if necessary.
Fish canning operator: Fish canning operators brine, cook and package fish. They sterilise fish canning lines and introduce fishes in tanks once heads and visceras have been removed from the body. They tend cooking stoves to preheat the fish, and fill the cans either manually or mechanically with fish, olive oil or other products.
Meat preparations operator: Meat preparations operators prepare fresh meat with ingredients such as spices, herbs or additives in order to make ready-for-sale meat preparations.
Dryer attendant: Dryer attendants tend rotary dryers to remove moisture from raw materials or food products in transformation. They observe instruments to verify dryer temperature and regulate steam pressure in order to determine if products have the specified moisture content.

Train driver: Train drivers operate trains providing passenger or cargo transport services. They are responsible for driving the locomotive in safe manner, respecting all relevant safety, operational and communication regulations, and have full responsibility for the safety of passengers and cargo. The task involves cooperation and communication with the relevant staff under the infrastructure manager, as well as with staff on board the train.
Prepared meat operator: Prepared meat operators process meat either by hand or using meat machines such as meat grinding, crushing or mixing machines. They perform preservation processes such as pasteurising, salting, drying, freeze-drying, fermenting and smoking. Prepared meat operators strive to keep meat free from germs and other health risks for a longer period than fresh meat.
Rail intermodal equipment operator: Rail intermodal equipment operators assist in the loading of trailers and containers on and off railcars and chassis. They manoeuvre tractor-trailer combinations around tight corners and in and out of parking spaces. They use an on-board computer peripheral to communicate with yard management computer system and to identify railcars.
Fat-purification worker: Fat-purification workers operate acidulation tanks and equipment that help with the separation of undesirable components from oils.

Leaf tier: Leaf tiers tie tobacco leaves manually into bundles for processing. They select loose leaves by hand and arrange them with butt ends together. They wind tie leaf around butts.
Stevedore: Stevedores sort, handle, load and unload freight into over-the-road equipment in accordance with oral and written instructions, as well as state regulations. They move freight such as boxes, bulky items, or even large pallets of goods to and from storage areas and onto transport vehicles.
Fish preparation operator: Fish preparation operators realize the preparation of fish and shellfish according to hygiene, food safety and trade regulations. They carry out fish processing operations, and also handle retail activities.
Animal feed supervisor: Animal feed supervisors supervise the manufacturing process of animal feeds. They control quality, take samples for labs, follow up on lab results and take measures according to the results.
Green coffee coordinator: Green coffee coordinators organise and manage the operations performed by workers in coffee plants and plan the functioning of machines that blend various types of green coffee beans.

Costume buyer: Costume buyers work with the costume designer in order to identify the materials for the costumes. They buy and rent fabric, thread, accessories and other items needed to finish the wardrobe. Costume buyers may also purchase clothing items “off the peg”, ready made. They base their purchases on the sketches of the costume designer.
Cigar inspector: Cigar inspectors test, sort, sample and weigh cigars in order to find defects and deviations away from the product’s specifications.

Kosher slaughterer: Kosher slaughterers slaughter animals and process carcasses of kosher meat for further processing and distribution. They slaughter animals as stated in Jewish law and according to rituals.
Fruit and vegetable canner: Fruit and vegetable canners tend machines to prepare industrial products based on fruits and vegetables for storage or shipping. They perform a wide range of tasks  such as sorting, grading, washing, peeling, trimming, and slicing. Moreover, they follow procedures for canning, freezing, preserving, packing food products.
Cigarette making machine operator: Cigarette making machine operators tend cigarette-making machines to encase tobacco in continuous paper rolls followed by cutting cigarettes from roll. They place roll of cigarette paper on spindles and set monogram-printing devices to print brand name on cigarette paper at specified position.

Halal slaughterer: Halal slaughterers slaughter animals and process carcasses of halal meat from cows and chickens for further processing and distribution. They slaughter animals as stated in Islamic law and ensure that the animals are fed, slaughtered and hung up accordingly.
Rail traffic controller: Rail traffic controllers operate signals and points that help make sure trains run safely and on time. They operate from a signal box in order to control the order and movement of trains and ensure safety at all times. They are responsible for maintaining safety standards when trains are running normally and also in degraded or emergency operational situations.

Mark differences in colours is optional for these occupations. This means knowing this skill may be an asset for career advancement if you are in one of these occupations.

Coffee roaster: Coffee roasters control gas fired roasters to dry coffee beans. They dump coffee beans into roasting ovens and once roasted, they compare colour of roasting beans against specifications. They perform cooling of the beans by operating mechanical blowers.

Cacao bean roaster: Cacao bean roasters set up and operate cacao processing equipments such as a continuous roasters, crackers fanners, drying and grinding equipment.
Fish production operator: Fish production operators regulate and supervise fish product manufacturing facilities. They keep stock of all required ingredients and equipment for mass manufacturing. They also perform processes such as moulding, breading, frying, freezing, setting the system’s temperature and checking speeds.
Airport operations officer: Airport operations officers perform supervisory and administrative work monitoring operational activities on an assigned shift at a large airport. They ensure the safe take-off and landing of aircrafts
Vermouth manufacturer: Vermouth manufacturers perform all the production processes required to produce vermouth. They mix ingredients and botanicals with wine and other spirits. They perform maceration, mixing and filtering of beverages together with the botanicals. Moreover, they manage the maturation of the beverages and forecast when the vermouth is ready for bottling.

References

1. Mark differences in colours – ESCO