Saadka iyo nidaamka deegaanka gaadiidka ee culayska saaran, kontoroolka saxda ah ee mootada ayaa muhiim u ah maaraynta xamuulka bilaa xad ah, hawlgalka qalabka, iyo hufnaanta shaqada. Polarity Reversing Solenoid wuxuu u soo baxaa sidii qalab beddel ah oo muhiim ah oo ku dhex jira Alaabtaada Flatbed Truck Accessories and Trailer Accessories lineup-loo farsameeyay si loo bixiyo kharash-ool ah, rogaal celin degdeg ah oo polarity ee matoorada DC ee joogtada ah, oo ku habboon baahida xamuulka ganacsiga iyo Agabka kale ee Trailer .

Polarity Reversing Solenoid waxa uu u shaqeeyaa sidii Qalabka Beddelka xudunta u ah ee loogu talagalay si gaar ah matoorada DC-ga ee joogtada ah. Sida agabka muhiimka ah ee Baabuurta Flatbed iyo Agabka Trailer, solenoids-kani waxa ay fududeeyaan habka rogida jihada mootada: awooda muhiimka ah ee qalabka u baahan dhaqdhaqaqa laba jiho, sida matoorrada hawo-mareenada, matoorada barafka, unugyo-soo-baxa, iyo matoorada Winch (qaybaha caadiga ah ee gawaadhida fidsan iyo qalabyada trailer).