![]() Variables include frequency of collection, haulage distance, type of service, and climate. An optimal route is one that results in the most efficient use of labour and equipment, and selecting such a route requires the application of computer analyses that account for all the many design variables in a large and complex network. The task of selecting an optimal collection route is a complex problem, especially for large and densely populated cities. Compaction reduces the volume of refuse in the truck to less than half of its loose volume. Loading can be done from the front, rear, or side. These are typically trucks of the enclosed, compacting type, with capacities up to 30 cubic metres (40 cubic yards). A driver and one or two loaders serve each collection vehicle. Public employees are often assigned to the task, but sometimes it is more economical for private companies to do the work under contract to the municipality or for private collectors to be paid by individual home owners. It is a labour-intensive activity, accounting for approximately three-quarters of the total cost of solid-waste management. Proper solid-waste collection is important for the protection of public health, safety, and environmental quality. Solid-waste collection Collecting and transporting SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!.Learn about the major environmental problems facing our planet and what can be done about them! Saving Earth Britannica Presents Earth’s To-Do List for the 21st Century.Britannica Beyond We’ve created a new place where questions are at the center of learning.100 Women Britannica celebrates the centennial of the Nineteenth Amendment, highlighting suffragists and history-making politicians.COVID-19 Portal While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today.Student Portal Britannica is the ultimate student resource for key school subjects like history, government, literature, and more.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find. ![]() Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives.Britannica Explains In these videos, Britannica explains a variety of topics and answers frequently asked questions.
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