218. Skill in using infrared thermometers for surface temperature measurements.
219. Understanding of basic structural engineering principles.
220. Ability to maintain and clean hydraulic equipment.
221. Knowledge of ergonomic practices in manual labor.
222. Ability to apply basic waterproofing coatings.
223. Understanding of slip-resistant flooring applications.
224. Skill in installing skylights.
225. Basic knowledge of different types of sealants and their applications.
226. Ability to prepare and level concrete for slabs.
