| Using canoes they penetrated the enemy's shipping lines in the approaches to Singapore and placed limpet mines destroying three vessels. |
| And similar reasons are why abortion and childcare haven't penetrated this Far East in a very poor area of the world. |
| By 1888 they had penetrated the rabbit-proof fence erected by the New South Wales government. |
| By now most of our soils are so dry they've become water-repellent and what little rain we've received has barely penetrated the surface. |
| The rock layers surrounding coal lodes were penetrated and separated by drillers and explosives. |
| The Ijuin fuze allowed the shell to explode on impact rather than after it had penetrated the armor of enemy ships. |
