•I-gooseneck eqinile futhi eguquguqukayo, ekulungele ukuphulukiswa kwama-engeli ahlukene•Ngomsindo we-LED oyidijithali inkombaNgokuvumelana nezimo zesiguli, setha amandla “aphansi, amaphakathi, aphezulu” ezinhlobo ezintathu ezihlukene zokucwenga.•Imizuzu emi-5 ubala ngenkumbulo, isikhathi eside sokumhlophe imizuzu engama-30.