Rewrite these sentences using participial phrases. 1. The roof, which is built from tensile roof fabric, is extremely cost – effective and durable.
2. The Perdido Spar offshore oil platform is located in the Gulf of Mexico. It is the deepest oil spar in the world.
3. Patients are attached to the TreadAir by this harness. They can use the machine to help them recover from their injury safely.
4. The robot is guided be a controller. The robot can climb into places which are potentially dangerous for humans.

sergeygrachev    3   21.11.2020 06:29    5