ground - reason, basis, educate⏎
durable - strong, tough, Long-lasting⏎
mark-up - increase in price, overcharge⏎
handbook - manual, instructions, notes, guide⏎
erode - weaken, impair, reduce⏎
employ - use, engage, recruit, hire⏎
magnate - tycoon, mogul, business chief⏎
formulate - create, prepare, arrange⏎
hedge - reduce risk, offset risk, protect against risk⏎
kit - tools, equipment, materials, parts⏎