Required skills

skills in using and maintaining the machinery and equipment

skills in selecting appropriate material for beads and spheres

Required knowledge

the suitability of rough for production of beads and spheres taking into account the level of wastage and cost

knowledge of the equipment and consumables needed for the process

industry standards for opal beads and spheres

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package

Critical aspects for assessment and evidence required to demonstrate competency in this unit

To achieve competency in this unit a person must be able to produce opal beads and spheres to industry standards

The assessment must confirm that the person is able to identify and safely use machinery and equipment to cut and polish opal beads and spheres to meet the requirements of industry

Competence in this unit must be assessed over a period of time in order to ensure consistency of performance over the range of variables and contexts applicable to the work environment

Context of and specific resources for assessment

This unit may be assessed in a work environment in a simulated work environment or in a combination of these situations

Method of assessment

For valid and reliable assessment of this unit evidence should be gathered through a range of methods to indicate consistent performance

Assessment of this unit of competence will usually include observation of processes and procedures oral andor written questioning on underpinning knowledge and skills evaluation of the finished product and other methods as required

Assessment methods should closely reflect workplace demands eg literacy and the needs of particular groups eg people with disabilities and people who may have literacy or numeracy difficulties such as speakers of languages other than English remote communities and those with interrupted schooling

Assessment of this competency requires access to

the machinery equipment and consumables required to produce opal beads and spheres

a qualified workplace assessor or assessment team

Bead mill, sphere making equipment and drills may include:

Maintenance areas may include:

Materials suitable for making beads or spheres may include:

Grinding mediums may include:

Polishing mediums may include: