A1: Re na le tlhahiso ea rona ea tlhahiso ea PCB
A2: Moq oa rona ha o tšoane ho latela lintho tse fapaneng. Litladi tse nyane le tsona lia amoheleha.
A3: PCB: Faele ea Gerber e betere, (Protel, File PCB, File File), PPBA: FEELA: FEELA: FEELA: Gerber file.
A4: E, re ka u thusa ho koala pcb. Romella feela mohlala oa mohlala ho rona, re ka koala moralo oa PCB mme re sebetse.
A5: Ho na le litlhaloso tse latelang tsa mantsoe:
a) Lintho tse iqapetsoeng
b) botenya ba boto:
c) botenya ba koporo
d) Phekolo ea bokaholimo:
e) 'mala oa maske oa lesela le signkreen
f) bongata