Use H1 and H2 tags with your main and secondary keywords. Most SE's give a lot of weight to words that are wrapped in these tags. Each page on your web site should have one or two targeted keywords at the beginning of the page. Just add keyword to the main keyword and the same for your secondary keyword replacing h1 with h2 and Pinterest deleting the spaces.
Go to every supplier who you do business with and have your business name, address, phone, and especially your URL added to their dealer locator. If they don't have one, encourage them to start one. If they say no, ask if there is any way they can give you a mention somewhere on some back page. A link from a supplier has huge juice in improving your ranking.
For example, if your key phrase is "SEO tips", try to develop the content with "SEO tips" and not with other combination of the words like "tips for SEO".
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