Discover the most effective Mechanics near you on Yelp – see all Mechanics open now. Contohnya kita mempunyai satu garis lurus dengan panjang tertentu kemudian kita ingin membuang hanya pada bagian tengahnya saja tanpa dimensi, nah perintah yang cocok untuk digunakan yaitu Break karena tanpa harus membuat garis bantu terlebih dulu kita sudah bisa menghapus dengan cara yang simpel. As early as 1801 profitable however very heavy steam vehicles had been introduced in England. Laws barred them from public roads and compelled their house owners to run them like trains on personal tracks. In 1802 a steam-powered coach designed by British engineer Richard Trevithick journeyed more than one hundred sixty km (a hundred mi) from Cornwall to London. Steam power caught the attention of different vehicle builders. In 1804 American inventor Oliver Evans constructed a steam-powered car in Chicago, Illinois. French engineer OnÃ©siphore Pecqueur constructed one in 1828.