A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable. Plastics are typically organic polymers of high molecular mass, but they often contain other substances. They are usually synthetic, most commonly derived from petrochemicals, but many are partially natural.

Most organic polymers are plastics. The vast majority of these polymers are based on chains of carbon atoms alone or with oxygen, sulfur, or nitrogen as well. The backbone is that part of the chain on the main "path" linking a large number of repeat units together. To customize the properties of a plastic, different molecular groups "hang" from the backbone (usually they are "hung" as part of the monomers before linking monomers together to form the polymer chain). The structure of these "side chains" influence the properties of the polymer. This fine tuning of the properties of the polymer by repeating unit's molecular structure has allowed plastics to become an indispensable part of the twenty-first century world.

A guide is a person who leads anyone through unknown or unmapped country. This includes a guide of the real world (such as someone who conducts travellers and tourists through a place of interest), as well as a person who leads someone to more abstract places (such as to knowledge or wisdom).

There are many variants of guides in this context, and guides are often employed in any aspect of travel or adventure, or wherever there is an advantage to the client in terms of knowledge provided in improving the overall travel experience or making the client feel more safe due to the presumed expertise of the guide.
These days guides will normally possess an area and field-specific qualification usually issued and/or recognised by the appropriate Guide's Association or licensing authority. However this is not always the case, and it is advisable for travellers paying a premium to go on an organised tour or journey because they think this will mean they will have a better experience to check the guide's qualifications beforehand.
Explorers in the past venturing into territory unknown by their own people invariably hired guides. American West explorers Lewis and Clark hired a Shoshone Indian woman Sacagawea, and Wilfred Thesiger hired guides in the deserts that he ventured into, such as Kuri on his journey to the Tibesti Mountains in 1938.
Aside from knowing the way or the area geographically, modern guides are usually hired to act as interpreters for those travellers who do not speak the local language and provide cultural, historical or other information on the area visited. Travel companies organising tours of large groups often have a guide or tour leader accompany the group. They might also be trained in First Aid and have other skills that reduce the risk for the tour operator to conduct these tours or the travel agency selling them.
Here are some examples of guide professions:

Miami Horror are an Australian indietronica band from Melbourne, Victoria with a disco-house throwback style. Miami Horror can refer to its producer, Benjamin Plant, or its four-piece live incarnation.

Miami Horror take influence from dance-pop artists of the 1970s and 1980s such as Prince, E.L.O., New Order and Michael Jackson, as well as progressive rock acts such as Todd Rundgren, Supertramp and Pink Floyd, and combine it with modern production techniques.

In 2007 under the moniker Miami Horror, Plant started with a series of remixes, both bootleg and official that included Stardust's "Music Sounds Better with You" and Tegan and Sara's "Walking with a Ghost", along with contemporary Australian acts such as the Midnight Juggernauts and Grafton Primary.

Plant began his music career early on, producing music at home from a young age, often DJing at house parties and regular weekly Melbourne club nights such as Streetparty and Third Class. He since remixed Pnau, The Presets, Bloc Party, Datarock and The Dirty Secrets in 2008. Miami Horror has also collaborated with Melbourne electropop group Gameboy/Gamegirl in 2007 and produced the Golden Ghetto Sex EP which featured the single "Sweaty Wet/Dirty Damp", a one-off single that became a leftfield hit in the music blogosphere the same year.