<prompt> Bhala ukuqhubeka kwalesi sigaba - NgoMashi 2021, uWilliams wethule i-FW43B, eyenzelwe ukuncintisana ngesizini ka-2021. Imoto yaqala ukuhlolwa ngoFebhuwari 2021 eSilverstone noGeorge Russell noNicholas Latifi ngemuva kwesondo. URoy Nissany ushayele imoto phakathi nezinsuku ezimbili zokuqala zokuhlolwa kwangaphambi kwesizini. Uphinde washayela imoto ngesikhathi sesivivinyo sokuqala se-2021 Spanish Grand Prix. Ekuqaleni, le moto yayizokwethulwa ngohlelo lokusebenza lweselula olukhethekile lwe-AR lapho abalandeli bebengayibona khona imoto ematafuleni abo noma egalaji, kodwa ngaphambi kokwethulwa, uhlelo lokusebenza lwagencwa. Ngakho, uWilliams wanquma ukukhansela lolu hlelo lokusebenza. I-livery yemoto ihlonipha i-Williams eyadlula ngempumelelo, kanye noSir Frank Williams, owasungula iqembu, kodwa walishiya ngemuva kwe-Grand Prix yase-Italy ka-2020. I-FW43B iyimoto yokuqala yokuncintisana ngesizini ephelele ngaphandle komkhaya wakwaWilliams ophethe iqembu. Le moto yaqala ukubonakala emjahweni i-Grand Prix yaseBahrain. Emncintiswaneni Wase-Emilia Romagna  <response>: , bobabili uLatifi noRussell bathatha umhlalaphansi, ngemuva kokuxhumana noNikita Mazepin noValtteri Bottas ngokulandelana. 