ሀ/ ሠራተኛው የተመደበበትን ሥራ ለማከናወን ችሎው ቀንሶ ሲገኝ የሥራ ችሎታውን ለማሻሻል ወይም ፋብሪካው ያዘጋጀውን የትምህርት ዕድል ባለመቀበል ምክንያት ሲሠራ የቆየውን ሥራ ለመቀጠል የሥራ ችሎታ የሌለው ሆኖ ሲገኝ ወይም ትምህርት ከተሰጠው በኋላ አስፈላጊውን አዲስ የሥራ ችሎታ ለመቅሰም የማይችል ሲሆን፣
a) the worker's manifest loss of capacity to perform the work to which he has been assigned; or his lack of skill to continue his work as a result of his refusal to take the opportunity of training prepared by the employer to upgrade his skill or after having been trained, his inability to acquire the necessary skill;