Поскольку вы ничего не упомянули о

Поскольку вы ничего не упомянули о гарантийном сроке, который обычно предоставляется при поставке машин

Результаты (английский) 1:

Since you didn't mention the warranty expiration, which is typically provided when supplying machines

Результаты (английский) 2:

Since you have not mentioned the warranty period, which is usually provided by delivery trucks

Результаты (английский) 3:

since you haven't mentioned anything about the guarantee period, which is typically provided in the supply of cars