Handbook of Occupational Groups and Families		Classification Programs Division
Release Date:  August 2001		Section Forty-three of Sixty-six

    4300 - PLIABLE MATERIALS WORK FAMILY   

This job family includes occupations involved in shaping, forming, and repairing items and parts from non-metallic moldable materials such as plastic, rubber, clay, wax, plaster, glass, sand, or other similar materials.

Throughout the following information, an asterisk (*) stands for series with a published standard and a double asterisk (**) stands for series with a published flysheet.

Occupations in this family are:

4351 Plastic Molding Equipment Operating

This occupation includes jobs involved in manufacturing plastic items and parts using a variety of molding equipment. The work involves the set up and operation of molding equipment, using such manufacturing techniques as injection, extrusion, compression, transfer, and slush molding, and a knowledge of the physical properties of plastics, and compound materials such as fillers, dyes, and catalysts. May involve the operation of preheaters, shredding machines, and handtools.

4352 Plastic Fabricating*

This occupation includes jobs that involve fabricating, modifying, repairing, and installing plastic items, parts, assemblies, and structures. The work requires a knowledge of the physical properties and working characteristics of plastics and compound ingredients; ability to use a variety of low pressure shaping, forming, and casting processes; skill in using casting and low pressure processing techniques such as potting, encapsulation, foaming, hand lay-up, thermoforming, and vacuum and pressure bag molding; skill in making master molds, patterns, and form blocks and in performing cutting and finishing operations.

4360 Rubber Products Molding

This occupation includes jobs involved in compounding ingredients and chemicals of established and newly developed formulas into batches of synthetic rubber or manufacturing natural and synthetic rubber articles such as hose, tubes, gaskets, packings, and washers, using molding and extruding machines and curing ovens.

4361 Rubber Equipment Repairing

This occupation includes jobs involved in repairing, modifying, testing, and installing synthetic and natural rubber equipment such as oil, water, and alcohol cells and tanks, life rafts, weather and pressure seals, and tires and tubes, using cold patching and vulcanizing repair procedures. Includes checking items for damage, selecting materials and preparing surface for repair, and operating low pressure forming and curing equipment.

4370 Glassblowing

This occupation includes jobs involved in the development, fabrication, construction, and repair of all types of blown glass such as bottles and pressed or blown scientific, technical, and industrial glassware.

4373 Molding

This occupation includes jobs involved in making bench, floor, or sweep molds for producing foundry castings. This includes the operation of screw core making machines and core blowing machines.