Chapter 14.15 TECHNICAL ACTIVITIES OF INDUSTRIES This chapter is included in your selections. Sections: Article I. Generally14.15.010 Definitions.14.15.020 Purpose.14.15.030 Scope of chapter. Article II. Class B License14.15.040 Required.14.15.050 Conditions for qualifications.14.15.060 Application for class B license.14.15.070 Renewal.14.15.080 Inspections – Revocation of license for failure to comply.