Usage patterns
〈人〉が〈技能〉を身につけるfor someone to acquire a skill
He acquired programming skills through the training.
技能を磨くto hone one's skill
She practices every day to hone her skills.
〈技能〉を活かすto make use of one's skill
In this job, you can make use of welding skills.
〈技能〉が高い/低いto have a high or low level of skill
His skill level is rated very high.