Husqvarna has developed a lawnmower like an electronic sheep. You simply put it on ___1___ and, as long as there is enough daylight, it moves over the lawn, ___2___ as it goes. The mower is operated by solar energy, which is converted into electricity. ___3___ activates three motors that move the two wheels and rotating blade disc. ___4___ there is insufficient daylight, the mower rests and recharges its batteries. Cable is laid around the boundary of the area to be mown, and the mower moves randomly inside it without an operator, covering lawns up to 1200 sq. m. ___5___ the mower works continually, the clippings are small and do not need to be collected.
...5...
Nevertheless
As
Owing to
Therefore
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