Write environmental analysis using environmental factors in $4$ir and include examples: To develop or make a bicycle that uses a battery to

change gears depending on the slope of the road, the battery of the bicycle will be used in the selection of gears to make the user be

aware of the speed to use in a given path. On the handle there will be two buttons one on the and one on the right. The buttons on the

left will be used to change the middle$/$ forward gear and the one on the right will be used to change the backward gear. The business$/$

company will use a recycling program to get the frames of old bicycle including piece by piece materials that are of steel product and will

also install the battery on the moving bicycle. The battery will be designed in a way that show the bar of the power in the battery. The

battery will be created with a little solar charging and power charging where one of the charging can be used, the battery usage will have a

capacity usage of $2000$mAh$(2$Ah$),$ and the battery voltage is $12$V$,$ and the Total energy stored on the battery is $24$Wh$,$ which is designed to

last $12$hours.