Tanners program and use tannery drums. They perform the work according to the work instructions, verify the physical and chemical characteristics of the hide, skin, or leather and of the liquid floats (e.g. pH, temperature, chemicals concentration) during the process. They use the drum for washing the hide or skin, removing the hair (not in the case of hides and skins tanned with the hair or wool on), bating, tanning, retanning, dyeing and milling.
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- Leather chemistry
Chemical composition and chemical properties of hide/skin and chemicals used and their modification during the different tanning processes. Reactions between hide/skin or semi-finished leather and chemical products during the different phases of process and the factors affecting the performance of the reactions and of the process. Monitoring of the chemical indicators of processing and the characteristics of skins/hides/leather.
- Physico-chemical properties of hides and skins
The quality of hides and skins is defined by organoleptic, microbiological, histological and chemical characteristics (i.e. moisture, structure of the dermis, percentage of fat and collagen). Each type of hide/skin has specific physical and chemical properties that affect the type of tanning operations and the most suitable end use of the leather.
- Apply colouring recipes correctly
Prepare colour and other chemical mixtures in accordance with the recipes and/or the characteristics of the article to be achieved. Interpreting and applying the instructions, including technical and operational details for the execution of processes.
- Use communication techniques
Apply techniques of communication which allow interlocutors to better understand each other and communicate accurately in the transmission of messages.
- Prepare colour mixtures
Prepare colour mixtures in accordance with the recipes and/or the characteristics of the article to be achieved.
- Work in textile manufacturing teams
Work harmoniously with colleagues in teams in the textile and clothing manufacturing industries.
- Identify with the company's goals
Act for the benefit of the company and for the achievement of its targets.
- Adapt to changing situations
Change approach to situations based on unexpected and sudden changes in people's needs and mood or in trends; shift strategies, improvise and naturally adapt to those circumstances.
- Execute working instructions
Understand, interpret and properly apply work instructions regarding different tasks in the workplace.
- Use IT tools
Application of computers, computer networks and other information technologies and equipment to storing, retrieving, transmitting and manipulating data, in the context of a business or enterprise.