Toro Super Recycler won overall with 21-inch deck and Personal Pace drive. Craftsman M220 150cc self-propelled mower offers best value for small yards. John Deere S130 42-inch riding mower excels for larger yards. Worx Landroid M 20V robotic mower provides hands-off operation
Craftsman 3-in-1 gas mower offers 21" cutting deck with mulching capabilities. PowerSmart gas mower under $300 features five adjustment settings. Honda 21" model praised for cutting thick grass effectively
Invented by Serbian barber Nikola Bizumić around 1855. Consists of sharp blades, sliding sides, and manual/electric mechanism. Used by barbers for fast haircuts in schools and military. Replaced by electric clippers due to cost reduction
Chainsaws were first used in surgery by Scottish doctors in late 18th century. First portable chainsaw patented by James Shand in 1918. Andreas Stihl developed first electric chainsaw in 1926. Modern chainsaws typically weigh between 4-5 kg
Hole punch creates holes in paper for binding and organizing loose leaves. Essential parts include handle, moving punch head, and fixed die. Handle functions as lever, reducing operator force requirements. Cut-out pieces called chads are pushed out of die
First jigsaws emerged in 19th century with treadle-operated thin blade. Modern portable jigsaw introduced by Scintilla AG in 1947. Albert Kaufmann invented jigsaw in 1946, later acquired by Bosch. Scintilla-Bosch introduced pendulum action in 1966 for faster cutting