Questions with the keyword 'invention'

• are you planning to invent a new type of car that doesn’t use petrol to run but that’s more affordable than e-cars? by Wonder2018 to William, Roberto, Karen, Jasmine, Chinna Comments: (No comments so far )
• What is your best invention? by oreowalsh7 and 5 others. to William, Roberto, Karen, Jasmine, Chinna Comments: (so far, 2s comments )
• Have you ever invented technolagy before? by eclair2007 to William, Roberto, Karen, Jasmine, Chinna Comments: (No comments so far )