(a) Work positions at which cartography, drafting, plan reading or other very difficult visual tasks are performed

(b) Work positions at which business machines are operated or continuous reading or writing visual tasks are performed

(c) Other areas

(a) Work positions at which instruments are read or hazardous substances are handled and where errors in such reading or handling may be hazardous to the safety or health of an employee

(b) Work positions at which close or prolonged attention is given to laboratory work

(c) Other areas

(a) Work positions at which fine or medium bench, machine or repair work is performed

(b) Work positions at which rough bench, machine or repair work is performed

(c) Other areas

(a) Work positions in major control rooms or rooms with dial displays at which tasks essential to the control of equipment or machinery hazardous to the safety of employees are performed

(b) Work positions at which a hazardous substance is used, stored or handled

(c) Work positions at which gauges and meters that are not self-illuminating are located

(d) Other areas

(a) Work positions at which packages or goods are checked or sorted

(b) Work positions at which loading or unloading work is frequently performed

(a) Areas in which there is a high level of activity

(b) Other areas

(a) Work positions at which there is a high level of activity

(b) Other area

(a) Areas in which there is a high level of activity or where there is a high frequency of traffic

(b) Areas in which there is a moderate level of activity or where there is a moderate frequency of traffic

(a) Work positions at which first aid is rendered or examinations are conducted or at which tasks essential to the safety or health of an employee are performed

(b) Other Areas

(a) Work positions at which prolonged cutting or preparation tasks are performed

(b) Other areas

(a) Areas used for serving food, for eating or for recreational activities

(b) Other areas