![]() ![]() The lens shade on a welding helmet may be made of tinted glass or plastic or consist of a polarized variable-density filter with automatic darkening features. Welding work calls for additional protection from heat, radiation and sparks. ![]() Additional protective equipment for the face, ears or neck can be added to most hard hat designs. This style of head protection is available in bright colors for increased visibility or in an updated clear design. The rigid exterior of a hard hat deflects falling objects while the internal suspension system distributes impact. Hard hat design combines a rigid outer shell with a built-in suspension system to prevent injuries to the head and heck caused by direct impact. Depending on worksite conditions, it may be necessary to wear a hard hat with or without additional protection such as a face shield, a helmet or a visor. Head and face protection may help workers avoid traumatic occupational injuries.
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