Bizwi kandi nkuko bizwi cyane, ni uw'ubwoko bw'ibisabwa Urugereko rwatishye ingingo yo gutinda, iyo sisitemu ipakurura Urugereko rwa Re - Ububiko bw'umukozi wa peteroli, ku kazi kakurikira kwitegura. Sisitemu igomba gukora rimwe na rimwe kandi ihuza pubriction pump igomba kugira imikorere ipakurura. Pompe yo gusiga amavuta gusa isohoka gusa mugihe cyakazi. N'intera iri hagati y'ibice byo gutondeka kure, hafi, hasi, kubeshya cyangwa guhagarara nta ngaruka zigira ku kwimurwa. Gupima neza, ibikorwa byumvikana, gusohora amavuta neza.
