There would be periods with more extreme weather, and bigger differences between winter and summer. A good example of this is Mars, which has no large moon to stabilize it, so it tilts more. The Martian climate and atmosphere has undergone enormous changes in the past millions of years.
Â· Types of foot protection:-Reinforced sole - Footwear that has metal reinforcement to protect the bottom of your foot from penetration-Metatarsal shoe - Footwear that protects your entire foot-Steel toe shoe - Footwear that protects your toes from falling objects and from being crushed-Rubber boot - Footwear that protects you from chemicals and provides extra traction on slippery floors Â· It is important to:-Select the right footwear for the job-Be sure the footwear fits properly-Inspect ...
As its name suggests, the upper is the combination of materials that wrap around the top of the foot. The upper consists of: Overlays - Synthetic materials that criss-cross the upper, and provide support and/or reinforcement. Heel Counter - Rigid or semi-rigid device in the heel that holds the foot in place. Collar - Foam padding that surrounds the sides and rear of the shoe, and helps hold the foot in place. Toe-box - Front portion of the upper that creates the space above and around the toes. Running shoe toe boxes should be roomy to allow the foot to expand. Last - The last is how the upper is attached to the midsole.